Vulnerability-Lookup

CVE-2026-48212 (GCVE-0-2026-48212)

Vulnerability from cvelistv5 – Published: 2026-10-12 06:48 – Updated: 2026-10-12 06:48

Title

Stored XSS in external pages

Summary

An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.7.X

Severity

4.8 (Medium)


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

CWE

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

Assigner

OTRS CNA under the mitre root

CNA scorecard B 75/100 over 18 records in the last 180 days details

References

1 reference

URL	Tags
https://otrs.com/release-notes/otrs-security-advi…

Impacted products

1 product

Vendor	Product	Version	CPE status
OTRS GmbH (former OTRS AG)	OTRS	Affected: 7.0.x Affected: 8.0.x Affected: 2023.x Affected: 2024.x Affected: 2025.x Affected: 2026.x , ≤ 2026.6.x (patch)	guessed

Date Public

2026-10-12 07:00

Credits

Special thanks to William Bastos (@chor4o) and Samara Gama (igobysamy) for reporting this vulnerability

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "modules": [
            "External Interface"
          ],
          "product": "OTRS",
          "vendor": "OTRS GmbH (former OTRS AG)",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.x"
            },
            {
              "status": "affected",
              "version": "8.0.x"
            },
            {
              "status": "affected",
              "version": "2023.x"
            },
            {
              "status": "affected",
              "version": "2024.x"
            },
            {
              "status": "affected",
              "version": "2025.x"
            },
            {
              "lessThanOrEqual": "2026.6.x",
              "status": "affected",
              "version": "2026.x",
              "versionType": "patch"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Special thanks to William Bastos (@chor4o) and Samara Gama (igobysamy) for reporting this vulnerability"
        }
      ],
      "datePublic": "2026-10-12T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003eAn OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003eThis issue affects OTRS:\u003c/p\u003e\u003cul\u003e\u003cli\u003e7.0.X\u003c/li\u003e\u003cli\u003e8.0.X\u003c/li\u003e\u003cli\u003e2023.X\u003c/li\u003e\u003cli\u003e2024.X\u003c/li\u003e\u003cli\u003e2025.X\u003c/li\u003e\u003cli\u003e2026.X before 2026.7.X\u003c/li\u003e\u003c/ul\u003e\u003cbr\u003e\u003c/div\u003e"
            }
          ],
          "value": "An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.\n\nThis issue affects OTRS:\n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.7.X"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-592",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-592 Stored XSS"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "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": "2026-10-12T06:48:50.387Z",
        "orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
        "shortName": "OTRS"
      },
      "references": [
        {
          "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-11/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Update to latest version of OTRS (2026.7.1. or later). Please note that there will be no OTRS 7 patches\u003cbr\u003e"
            }
          ],
          "value": "Update to latest version of OTRS (2026.7.1. or later). Please note that there will be no OTRS 7 patches"
        }
      ],
      "source": {
        "advisory": "OSA-2026-11",
        "defect": [
          "SecOPS#2026062210000078",
          "Issue#5090"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Stored XSS in external pages",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
    "assignerShortName": "OTRS",
    "cveId": "CVE-2026-48212",
    "datePublished": "2026-10-12T06:48:50.387Z",
    "dateReserved": "2026-05-21T12:12:49.646Z",
    "dateUpdated": "2026-10-12T06:48:50.387Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-48212",
      "date": "2026-10-12",
      "epss": "0.00142",
      "percentile": "0.03077"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "affected",
                "modules": [
                  "External Interface"
                ],
                "product": "OTRS",
                "vendor": "OTRS GmbH (former OTRS AG)",
                "versions": [
                  {
                    "status": "affected",
                    "version": "7.0.x"
                  },
                  {
                    "status": "affected",
                    "version": "8.0.x"
                  },
                  {
                    "status": "affected",
                    "version": "2023.x"
                  },
                  {
                    "status": "affected",
                    "version": "2024.x"
                  },
                  {
                    "status": "affected",
                    "version": "2025.x"
                  },
                  {
                    "lessThanOrEqual": "2026.6.x",
                    "status": "affected",
                    "version": "2026.x",
                    "versionType": "patch"
                  }
                ]
              }
            ],
            "source": "security@otrs.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.\n\nThis issue affects OTRS:\n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.7.X"
          }
        ],
        "id": "CVE-2026-48212",
        "lastModified": "2026-10-12T07:16:36.610",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 4.8,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "HIGH",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.7,
              "impactScore": 2.7,
              "source": "security@otrs.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-10-12T07:16:36.610",
        "references": [
          {
            "source": "security@otrs.com",
            "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-11/"
          }
        ],
        "sourceIdentifier": "security@otrs.com",
        "vulnStatus": "Received",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-79"
              }
            ],
            "source": "security@otrs.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}

FKIE_CVE-2026-48212

Vulnerability from fkie_nvd - Published: 2026-10-12 07:16 - Updated: 2026-10-12 07:16

Severity

4.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Summary

References

	URL	Tags
	security@otrs.com	https://otrs.com/release-notes/otrs-security-advisory-2026-11/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "modules": [
            "External Interface"
          ],
          "product": "OTRS",
          "vendor": "OTRS GmbH (former OTRS AG)",
          "versions": [
            {
              "status": "affected",
              "version": "7.0.x"
            },
            {
              "status": "affected",
              "version": "8.0.x"
            },
            {
              "status": "affected",
              "version": "2023.x"
            },
            {
              "status": "affected",
              "version": "2024.x"
            },
            {
              "status": "affected",
              "version": "2025.x"
            },
            {
              "lessThanOrEqual": "2026.6.x",
              "status": "affected",
              "version": "2026.x",
              "versionType": "patch"
            }
          ]
        }
      ],
      "source": "security@otrs.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.\n\nThis issue affects OTRS:\n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.7.X"
    }
  ],
  "id": "CVE-2026-48212",
  "lastModified": "2026-10-12T07:16:36.610",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7,
        "source": "security@otrs.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-10-12T07:16:36.610",
  "references": [
    {
      "source": "security@otrs.com",
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-11/"
    }
  ],
  "sourceIdentifier": "security@otrs.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security@otrs.com",
      "type": "Secondary"
    }
  ]
}

GHSA-X238-8QX9-7HH7

Vulnerability from github – Published: 2026-10-12 09:31 – Updated: 2026-10-12 09:31

Details

An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.

This issue affects OTRS:

7.0.X
8.0.X
2023.X
2024.X
2025.X
2026.X before 2026.7.X

Severity

4.8 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-48212"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-12T07:16:36Z",
    "severity": "MODERATE"
  },
  "details": "An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.\n\nThis issue affects OTRS:\n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.7.X",
  "id": "GHSA-x238-8qx9-7hh7",
  "modified": "2026-10-12T09:31:20Z",
  "published": "2026-10-12T09:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48212"
    },
    {
      "type": "WEB",
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-11"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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

Order JSON

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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-2026-48212 (GCVE-0-2026-48212)

FKIE_CVE-2026-48212

GHSA-X238-8QX9-7HH7

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour