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CVE-2025-53502: HTML injection in FeaturedFeeds

Description

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.

Classification

CVE ID: CVE-2025-53502

Problem Types

CWE-20 Improper Input Validation

Affected Products

Vendor: Wikimedia Foundation

Product: Mediawiki - FeaturedFeeds Extension

References

https://nvd.nist.gov/vuln/detail/CVE-2025-53502
https://phabricator.wikimedia.org/T392279
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FeaturedFeeds/+/1149742

Timeline