CVE-2025-10354: Semantic Mediawiki

Medium severity, CVSS 5.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Cross-Site Scripting (XSS) vulnerability reflected in Semantic MediaWiki. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending them a malicious URL using the '/index.php/Speciaal:GefacetteerdZoeken' endpoint parameter. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

Affected products

• Semantic Mediawiki Semantic Mediawiki: version 5.0.2 only

Published 2026-04-21. Last modified 2026-06-17.