What is CVE-2025-7363?

CVE-2025-7363 is a medium-severity vulnerability in Wikimedia Foundation Mediawiki - Titleicon Extension, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-07-08.

How severe is CVE-2025-7363?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Wikimedia Foundation Mediawiki - Titleicon Extension

CVE-2025-7363

The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wikimedia Foundation Mediawiki - Titleicon Extension — versions 1.39.x, 1.42.x, 1.43.x

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-7363?: CVE-2025-7363 is a medium-severity vulnerability in Wikimedia Foundation Mediawiki - Titleicon Extension, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-07-08.
How severe is CVE-2025-7363?: Medium severity. CVSS v3 base score is 5.4 out of 10.