Cross-site Scripting (XSS)

Semantic MediaWiki is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper sanitization of the sep parameter when it is inserted into HTML cell joins, which allows an attacker to inject malicious HTML content and execute scripts in a victim's browser...

CVE-2026-77607

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, sep was inserted verbatim into HTML cell joins. This made it possible to inject HTML through the separator value. Version 7.2.0 fixes the issue...