CVE-2026-48212

Stored XSS in external pages

Published Oct 12, 2026 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
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

Remediation

Vendor Solution

Update to latest version of OTRS (2026.7.1. or later). Please note that there will be no OTRS 7 patches

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Otrs
Otrs otrs
Vendors & Products Otrs
Otrs otrs
Type Values Removed Values Added
Description 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
Title Stored XSS in external pages
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OTRS
Published
Updated
Oct 15, 2026, 6:07 PM
Reserved
May 21, 2026, 12:12 PM
Status
Deferred
Published
Oct 12, 2026, 7:16 AM
Modified
Oct 15, 2026, 8:38 PM