CVE-2026-48212CWE-79cross-site-scripting

CVE-2026-48212

Medium · published October 12, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
3.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00142 · 3.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-12T11:16Z
References (1)
https://otrs.com/release-notes/otrs-security-advisory-2026-11/ · [email protected]
EPSS history
Timeline
  • 13 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 12 OCT 06:48Z
    Stored XSS in external pages
    cvelistv5
  • 12 OCT 06:48Z
    Stored XSS in external pages
    cvelistv5