CVE-2026-126563 | BDVDB-2026-404842 Detail
SemanticMediaWikiSemanticMediaWiki
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References#
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-h252-mj7p-58q7
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/01cb81a6da7af743d2a5eb334db10e52b7318c56
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/DataValues/ValueFormatters/TimeValueFormatter.php#L312-L340
- https://www.vulncheck.com/advisories/semantic-mediawiki-2.4.0-before-7.4.1-reflected-xss-via-special-ask-date-format
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.