All vulnerabilities
CVE-2026-48212

OTRS: Stored XSS in external pages

OTRS GmbH (former OTRS AG) OTRS
Open in ThreatlineRecord JSON
CVSS
4.8Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.14%Chance of exploitation activity in the next 30 days, higher than 3% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published12 Oct 2026Updated 15 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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

Text from CVE List

Affected versions 6

  • OTRSaffected: 7.0.xCVE List
  • OTRSaffected: 8.0.xCVE List
  • OTRSaffected: 2023.xCVE List
  • OTRSaffected: 2024.xCVE List
  • OTRSaffected: 2025.xCVE List
  • OTRSaffected: 2026.x through 2026.6.xCVE List

References 1