What is CVE-2025-53502?

CVE-2025-53502 is a medium-severity vulnerability in Wikimedia Foundation MediaWiki - Featuredfeeds Extension, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-07-03.

How severe is CVE-2025-53502?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Wikimedia Foundation MediaWiki - Featuredfeeds Extension

CVE-2025-53502

Improper Input Validation vulnerability in Wikimedia Foundation Mediawiki - FeaturedFeeds Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FeaturedFeeds Extension: 1.39.X, 1.42.X, 1.43.X.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

Frequently asked questions

What is CVE-2025-53502?: CVE-2025-53502 is a medium-severity vulnerability in Wikimedia Foundation MediaWiki - Featuredfeeds Extension, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-07-03.
How severe is CVE-2025-53502?: Medium severity. CVSS v3 base score is 6.5 out of 10.