XSS in Wikimedia Foundation Mediawiki - Relatedarticles Extension

CVE-2025-53497

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - RelatedArticles Extension allows Stored XSS.This issue affects Mediawiki - RelatedArticles Extens…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (6.7th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-53497?
CVE-2025-53497 is a medium-severity vulnerability in Wikimedia Foundation Mediawiki - Relatedarticles Extension, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-07-07.
How severe is CVE-2025-53497?
Medium severity. CVSS v3 base score is 5.4 out of 10.