Vulnerability-Lookup

GHSA-CPQ8-X35G-M439

Vulnerability from github – Published: 2021-09-20 20:43 – Updated: 2021-09-16 18:19

Summary

Cross-site Scripting in yourls

Details

yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in arbitrary path handling.

Severity ?

6.6 (Medium)


                  
                    CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "yourls/yourls"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.8.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-3783"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-09-16T18:19:29Z",
    "nvd_published_at": "2021-09-15T12:15:00Z",
    "severity": "MODERATE"
  },
  "details": "yourls is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in arbitrary path handling.",
  "id": "GHSA-cpq8-x35g-m439",
  "modified": "2021-09-16T18:19:29Z",
  "published": "2021-09-20T20:43:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3783"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yourls/yourls/commit/94f6bab91182142c96ff11f481585b445449efd4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/yourls/yourls"
    },
    {
      "type": "WEB",
      "url": "https://huntr.dev/bounties/b688e553-d0d9-4ddf-95a3-ff4b78004984"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-site Scripting in yourls"
}

CVE-2021-3783 (GCVE-0-2021-3783)

Vulnerability from cvelistv5 – Published: 2021-09-15 12:00 – Updated: 2024-08-03 17:09

Title

Cross-site Scripting (XSS) - Reflected in yourls/yourls

Summary

yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Severity ?

6.6 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

@huntrdev

References

URL

Tags

	https://huntr.dev/bounties/b688e553-d0d9-4ddf-95a…	x_refsource_CONFIRM
	https://github.com/yourls/yourls/commit/94f6bab91…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	yourls	yourls/yourls	Affected: unspecified , ≤ 1.8.2 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:08.880Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/b688e553-d0d9-4ddf-95a3-ff4b78004984"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/yourls/yourls/commit/94f6bab91182142c96ff11f481585b445449efd4"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "yourls/yourls",
          "vendor": "yourls",
          "versions": [
            {
              "lessThanOrEqual": "1.8.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "yourls is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-15T12:00:18",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/b688e553-d0d9-4ddf-95a3-ff4b78004984"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/yourls/yourls/commit/94f6bab91182142c96ff11f481585b445449efd4"
        }
      ],
      "source": {
        "advisory": "b688e553-d0d9-4ddf-95a3-ff4b78004984",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-site Scripting (XSS) - Reflected in yourls/yourls",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3783",
          "STATE": "PUBLIC",
          "TITLE": "Cross-site Scripting (XSS) - Reflected in yourls/yourls"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "yourls/yourls",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "1.8.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "yourls"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "yourls is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/b688e553-d0d9-4ddf-95a3-ff4b78004984",
              "refsource": "CONFIRM",
              "url": "https://huntr.dev/bounties/b688e553-d0d9-4ddf-95a3-ff4b78004984"
            },
            {
              "name": "https://github.com/yourls/yourls/commit/94f6bab91182142c96ff11f481585b445449efd4",
              "refsource": "MISC",
              "url": "https://github.com/yourls/yourls/commit/94f6bab91182142c96ff11f481585b445449efd4"
            }
          ]
        },
        "source": {
          "advisory": "b688e553-d0d9-4ddf-95a3-ff4b78004984",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-3783",
    "datePublished": "2021-09-15T12:00:18",
    "dateReserved": "2021-09-09T00:00:00",
    "dateUpdated": "2024-08-03T17:09:08.880Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-CPQ8-X35G-M439

CVE-2021-3783 (GCVE-0-2021-3783)

Tags

Sightings

Nomenclature