Vulnerability-Lookup

CVE-2025-40927 (GCVE-0-2025-40927)

Vulnerability from cvelistv5 – Published: 2025-08-29 00:10 – Updated: 2025-08-29 13:18

Title

CGI::Simple versions 1.281 and earlier for Perl has a HTTP response splitting flaw

Summary

CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw This vulnerability is a confirmed HTTP response splitting flaw in CGI::Simple that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions. Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters. As a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks. The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete. Impact By injecting %0A (newline) into a query string parameter, an attacker can: * Break the current HTTP header * Inject a new header or entire body * Deliver a script payload that is reflected in the server’s response That can lead to the following attacks: * reflected XSS * open redirect * cache poisoning * header manipulation

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-29 13:18 UTC

CWE

CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 63/100 over 296 records in the last 180 days details

References

6 references

URL	Tags
https://metacpan.org/release/MANWAR/CGI-Simple-1.…	related
https://metacpan.org/release/MANWAR/CGI-Simple-1.…	related
https://owasp.org/www-community/attacks/HTTP_Resp…	technical-description
https://datatracker.ietf.org/doc/html/rfc7230#section-3	technical-description
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV…	related
https://rt.perl.org/Public/Bug/Display.html?id=21951	related

Impacted products

1 product

Vendor	Product	Version	CPE status
MANWAR	CGI::Simple	Affected: 0 , < 1.282 (custom)	guessed

Credits

Maxim Kosenko

Show details on NVD website

JSON

To clipboard

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                  "value": "CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw\u003cbr\u003e\u003cp\u003eThis vulnerability is a \u003cstrong\u003econfirmed HTTP response splitting\u003c/strong\u003e\u0026nbsp;flaw in \u003ccode\u003eCGI::Simple\u003c/code\u003e\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ethat allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions\u003c/span\u003e.\u003c/p\u003e\u003cp\u003eAlthough some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eAs a result, an attacker can inject a line break (e.g. \u003ccode\u003e%0A\u003c/code\u003e) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks.\u003c/p\u003e\u003cp\u003eThe issue documented in\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.cve.org/CVERecord?id=CVE-2010-4410\"\u003eCVE-2010-4410\u003c/a\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;is related but the fix was incomplete.\u003c/span\u003e\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eImpact\u003c/strong\u003e\u003c/p\u003e\u003cp\u003eBy injecting \u003ccode\u003e%0A\u003c/code\u003e\u0026nbsp;(newline) into a query string parameter, an attacker can:\u003c/p\u003e\u003col\u003e\u003cli\u003eBreak the current HTTP header\u003c/li\u003e\u003cli\u003eInject a new header or entire body\u003c/li\u003e\u003cli\u003eDeliver a script payload that is reflected in the server\u2019s response\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eThat can lead to the following attacks:\u003c/p\u003e\u003cul\u003e\u003cli\u003ereflected XSS\u003c/li\u003e\u003cli\u003eopen redirect\u003c/li\u003e\u003cli\u003ecache poisoning\u003c/li\u003e\u003cli\u003eheader manipulation\u003c/li\u003e\u003c/ul\u003e\u003cbr\u003e"
                }
              ],
              "value": "CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw\nThis vulnerability is a confirmed HTTP response splitting\u00a0flaw in CGI::Simple\u00a0that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions.\n\nAlthough some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.\n\n\n\nAs a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks.\n\nThe issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.\n\nImpact\n\nBy injecting %0A\u00a0(newline) into a query string parameter, an attacker can:\n\n  *  Break the current HTTP header\n  *  Inject a new header or entire body\n  *  Deliver a script payload that is reflected in the server\u2019s response\nThat can lead to the following attacks:\n\n  *  reflected XSS\n  *  open redirect\n  *  cache poisoning\n  *  header manipulation"
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-34",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-34 HTTP Response Splitting"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-113",
                  "description": "CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-08-29T00:10:07.161Z",
            "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
            "shortName": "CPANSec"
          },
          "references": [
            {
              "tags": [
                "related"
              ],
              "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035"
            },
            {
              "tags": [
                "related"
              ],
              "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm"
            },
            {
              "tags": [
                "technical-description"
              ],
              "url": "https://owasp.org/www-community/attacks/HTTP_Response_Splitting"
            },
            {
              "tags": [
                "technical-description"
              ],
              "url": "https://datatracker.ietf.org/doc/html/rfc7230#section-3"
            },
            {
              "tags": [
                "related"
              ],
              "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320"
            },
            {
              "tags": [
                "related"
              ],
              "url": "https://rt.perl.org/Public/Bug/Display.html?id=21951"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Upgrade CGI::Simple to version 1.282 or higher"
                }
              ],
              "value": "Upgrade CGI::Simple to version 1.282 or higher"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "CGI::Simple versions 1.281 and earlier for Perl has a HTTP response splitting flaw",
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "assignerShortName": "CPANSec",
        "cveId": "CVE-2025-40927",
        "datePublished": "2025-08-29T00:10:07.161Z",
        "dateReserved": "2025-04-16T09:05:34.362Z",
        "dateUpdated": "2025-08-29T13:18:32.704Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

FKIE_CVE-2025-40927

Vulnerability from fkie_nvd - Published: 2025-08-29 01:15 - Updated: 2026-10-18 21:10

Severity

7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Summary

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://datatracker.ietf.org/doc/html/rfc7230#section-3
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://owasp.org/www-community/attacks/HTTP_Response_Splitting
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://rt.perl.org/Public/Bug/Display.html?id=21951

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "CGI-Simple",
          "product": "CGI::Simple",
          "programFiles": [
            "lib/CGI/Simple.pm"
          ],
          "repo": "https://github.com/manwar/CGI--Simple",
          "vendor": "MANWAR",
          "versions": [
            {
              "lessThan": "1.282",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw\nThis vulnerability is a confirmed HTTP response splitting\u00a0flaw in CGI::Simple\u00a0that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions.\n\nAlthough some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.\n\n\n\nAs a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks.\n\nThe issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.\n\nImpact\n\nBy injecting %0A\u00a0(newline) into a query string parameter, an attacker can:\n\n  *  Break the current HTTP header\n  *  Inject a new header or entire body\n  *  Deliver a script payload that is reflected in the server\u2019s response\nThat can lead to the following attacks:\n\n  *  reflected XSS\n  *  open redirect\n  *  cache poisoning\n  *  header manipulation"
    },
    {
      "lang": "es",
      "value": "Las versiones de CGI::Simple anteriores a la 1.282 para Perl tienen una falla de divisi\u00f3n de respuesta HTTP.\nEsta vulnerabilidad es una falla confirmada de divisi\u00f3n de respuesta HTTP en CGI::Simple que permite la inyecci\u00f3n de encabezados de respuesta HTTP, la cual puede usarse para XSS reflejado o redirecci\u00f3n abierta bajo ciertas condiciones.\n\nAunque existe cierta validaci\u00f3n, puede ser evadida usando valores codificados en URL, permitiendo a un atacante inyectar contenido no confiable en la respuesta a trav\u00e9s de par\u00e1metros de consulta.\n\nComo resultado, un atacante puede inyectar un salto de l\u00ednea (por ejemplo, %0A) en el valor del par\u00e1metro, haciendo que el servidor divida la respuesta HTTP e inyecte encabezados arbitrarios o incluso un cuerpo HTML/JavaScript, lo que lleva a cross-site scripting (XSS) reflejado, redirecci\u00f3n abierta u otros ataques.\n\nEl problema documentado en CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 est\u00e1 relacionado pero la soluci\u00f3n fue incompleta.\n\nImpacto\n\nAl inyectar %0A (salto de l\u00ednea) en un par\u00e1metro de cadena de consulta, un atacante puede:\n\n*   Romper el encabezado HTTP actual\n*   Inyectar un nuevo encabezado o un cuerpo completo\n*   Entregar una carga \u00fatil de script que se refleja en la respuesta del servidor\n\nEso puede llevar a los siguientes ataques:\n\n*   XSS reflejado\n*   redirecci\u00f3n abierta\n*   envenenamiento de cach\u00e9\n*   manipulaci\u00f3n de encabezados"
    }
  ],
  "id": "CVE-2025-40927",
  "lastModified": "2026-10-18T21:10:00.120",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-40927",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-29T13:18:01.758812Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-08-29T01:15:34.553",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://datatracker.ietf.org/doc/html/rfc7230#section-3"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://owasp.org/www-community/attacks/HTTP_Response_Splitting"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://rt.perl.org/Public/Bug/Display.html?id=21951"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-113"
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary"
    }
  ]
}

GHSA-WH29-FQ99-4WW5

Vulnerability from github – Published: 2025-08-29 03:30 – Updated: 2025-08-29 15:30

Details

Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.

As a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks.

The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.

Impact

By injecting %0A (newline) into a query string parameter, an attacker can:

Break the current HTTP header
Inject a new header or entire body
Deliver a script payload that is reflected in the server’s response That can lead to the following attacks:
reflected XSS
open redirect
cache poisoning
header manipulation

Severity

7.3 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-40927"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-113"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-29T01:15:34Z",
    "severity": "HIGH"
  },
  "details": "CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw\nThis vulnerability is a confirmed HTTP response splitting\u00a0flaw in CGI::Simple\u00a0that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions.\n\nAlthough some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.\n\n\n\nAs a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks.\n\nThe issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.\n\nImpact\n\nBy injecting %0A\u00a0(newline) into a query string parameter, an attacker can:\n\n  *  Break the current HTTP header\n  *  Inject a new header or entire body\n  *  Deliver a script payload that is reflected in the server\u2019s response\nThat can lead to the following attacks:\n\n  *  reflected XSS\n  *  open redirect\n  *  cache poisoning\n  *  header manipulation",
  "id": "GHSA-wh29-fq99-4ww5",
  "modified": "2025-08-29T15:30:38Z",
  "published": "2025-08-29T03:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40927"
    },
    {
      "type": "WEB",
      "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320"
    },
    {
      "type": "WEB",
      "url": "https://datatracker.ietf.org/doc/html/rfc7230#section-3"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035"
    },
    {
      "type": "WEB",
      "url": "https://owasp.org/www-community/attacks/HTTP_Response_Splitting"
    },
    {
      "type": "WEB",
      "url": "https://rt.perl.org/Public/Bug/Display.html?id=21951"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

OPENSUSE-SU-2025:15625-1

Vulnerability from csaf_opensuse - Published: 2025-10-11 00:00 - Updated: 2026-09-20 21:43

Summary

perl-CGI-Simple-1.282.0-1.1 on GA media

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2025-40927.

CVE-2025-40927

Recommended: 4 products

Open the full advisory

UBUNTU-CVE-2025-40927 (CVE-2025-40927)

Vulnerability from osv_ubuntu – Published: 2025-08-29 01:15 – Updated: 2026-05-20 15:22 – Source website

Details

Severity

7.3 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2025-40927	REPORT
	https://www.cve.org/CVERecord?id=CVE-2025-40927	REPORT
	https://lists.security.metacpan.org/cve-announce/…	REPORT
	https://github.com/manwar/CGI--Simple/commit/0c1a…	REPORT
	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV…	REPORT
	https://datatracker.ietf.org/doc/html/rfc7230#section-3	REPORT
	https://metacpan.org/release/MANWAR/CGI-Simple-1.…	REPORT
	https://metacpan.org/release/MANWAR/CGI-Simple-1.…	REPORT
	https://owasp.org/www-community/attacks/HTTP_Resp…	REPORT
	https://rt.perl.org/Public/Bug/Display.html?id=21951	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.115-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.115-2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.115-1",
        "1.115-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.115-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.115-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.115-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.115-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.115-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.115-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.280-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.280-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.115-2",
        "1.280-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.281-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.281-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.280-2",
        "1.281-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.281-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.281-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.281-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libcgi-simple-perl",
            "binary_version": "1.282-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libcgi-simple-perl",
        "purl": "pkg:deb/ubuntu/libcgi-simple-perl@1.282-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.281-1",
        "1.282-1"
      ]
    }
  ],
  "aliases": [],
  "details": "CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw This vulnerability is a confirmed HTTP response splitting\u00a0flaw in CGI::Simple\u00a0that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions. Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters. As a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks. The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete. Impact By injecting %0A\u00a0(newline) into a query string parameter, an attacker can:   *  Break the current HTTP header   *  Inject a new header or entire body   *  Deliver a script payload that is reflected in the server\u2019s response That can lead to the following attacks:   *  reflected XSS   *  open redirect   *  cache poisoning   *  header manipulation",
  "id": "UBUNTU-CVE-2025-40927",
  "modified": "2026-05-20T15:22:51Z",
  "published": "2025-08-29T01:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-40927"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-40927"
    },
    {
      "type": "REPORT",
      "url": "https://lists.security.metacpan.org/cve-announce/msg/32357435/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/manwar/CGI--Simple/commit/0c1a2e0b8f24804d33daac686666ac944363a630"
    },
    {
      "type": "REPORT",
      "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320"
    },
    {
      "type": "REPORT",
      "url": "https://datatracker.ietf.org/doc/html/rfc7230#section-3"
    },
    {
      "type": "REPORT",
      "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm"
    },
    {
      "type": "REPORT",
      "url": "https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035"
    },
    {
      "type": "REPORT",
      "url": "https://owasp.org/www-community/attacks/HTTP_Response_Splitting"
    },
    {
      "type": "REPORT",
      "url": "https://rt.perl.org/Public/Bug/Display.html?id=21951"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-40927"
  ]
}

WID-SEC-W-2025-2012

Vulnerability from csaf_certbund - Published: 2025-09-09 22:00 - Updated: 2026-05-21 22:00

Summary

cPanel cPanel/WHM: Schwachstelle ermöglicht Manipulation von Dateien

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2025-40927.

CVE-2025-40927

Known affected: 9 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-40927 (GCVE-0-2025-40927)

FKIE_CVE-2025-40927

GHSA-WH29-FQ99-4WW5

OPENSUSE-SU-2025:15625-1

UBUNTU-CVE-2025-40927 (CVE-2025-40927)

WID-SEC-W-2025-2012

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour