XSS in Mediawiki

CVE-2025-67483

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (12.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67483?
CVE-2025-67483 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-03.
How severe is CVE-2025-67483?
Medium severity. CVSS v3 base score is 6.1 out of 10.