CVE-2026-126563mediumCWE-79

CVE-2026-126563: medium-severity vulnerability in SemanticMediaWiki

Semantic MediaWiki 2.4.0 before 7.4.1 Reflected XSS via Special:Ask Date Format

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10Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
SemanticMediaWiki · SemanticMediaWiki
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