What is CVE-2026-48212?

CVE-2026-48212 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-10-12.

How severe is CVE-2026-48212?

Medium severity. CVSS v3 base score is 4.8 out of 10.

CVE-2026-48212

CVE-2026-48212

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

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

otrs.com/release-notes/otrs-security-advisory-2026-11/

Frequently asked questions

What is CVE-2026-48212?: CVE-2026-48212 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-10-12.
How severe is CVE-2026-48212?: Medium severity. CVSS v3 base score is 4.8 out of 10.