Vulnerability · Published Oct 12, 2026 · Assigned by OTRS
CVE-2026-48212Stored XSS in external pages
Medium 4.8
In plain English
A medium-severity cross-site scripting in OTRS from OTRS GmbH (former OTRS AG). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.1%top 96.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | otrs2 | no fix listed | UBUNTU-CVE-2026-48212 |
| Ubuntu:24.04:LTS | znuny | no fix listed | UBUNTU-CVE-2026-48212 |
| Ubuntu:26.04:LTS | znuny | no fix listed | UBUNTU-CVE-2026-48212 |
| Ubuntu:26.10 | znuny | no fix listed | UBUNTU-CVE-2026-48212 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OTRS GmbH (former OTRS AG) | OTRS | 7.0.x8.0.x2023.x2024.x2025.x2026.x – through 2026.6.x |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N