GHSA-h252-mj7p-58q7: Semantic MediaWiki 2.4.0 before 7.4.1 Reflected XSS via Special:Ask Date Format
Published Nov 11, 2026
·Updated
Semantic MediaWiki 2.4.0 before 7.4.1 contains a reflected cross-site scripting vulnerability in TimeValueFormatter::getCaptionFromFreeFormat(), which emits free-format date captions in HTML without escaping. Unauthenticated attackers can craft a Special:Ask URL with HTML markup in a date printout format (#-F[...]) to execute script in a logged-in victim's browser session.
Event History
Nov 11, 2026
CVE Published
via OSV·02:35 AM
Data Sourced
via OSV·02:35 AM
DescriptionSeverityWeakness