CVE-2026-126564: fallo de gravedad media en SemanticMediaWiki
Semantic MediaWiki 2.5.0 before 7.4.1 Stored XSS via Special:Browse Factbox Title
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
10Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.1
Semantic MediaWiki 2.5.0 before 7.4.1 contains a stored cross-site scripting vulnerability in ValueFormatter::getFormattedSubject() that renders property label segments after a literal as unescaped markup. Users with page-edit rights can set a preferred property label containing an img onerror payload that executes when anyone, including administrators, views Special:Browse or the smwbrowse API.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Productos afectados
SemanticMediaWiki · SemanticMediaWikiCVEs relacionadas — SemanticMediaWiki
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-116878HIGHSemantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via Special:PropertyLabelSimilarityEPSS 0.4%CVE-2025-61682HIGHSemantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributesEPSS 0.4%CVE-2026-116871HIGHSemantic MediaWiki 3.0.0 before 7.3.1 Uncontrolled Recursion via Special:AskEPSS 0.4%CVE-2026-116877HIGHSemantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via #set_recurring_eventEPSS 0.4%CVE-2026-116872HIGHSemantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact FiltersEPSS 0.4%CVE-2026-77616MEDIUMSemantic MediaWiki affected by reflected XSS in `Special:Ask` via a forged cursor pagination tokenEPSS 0.3%
Referencias
https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/MediaWiki/Specials/Browse/ValueFormatter.php#L34-L55https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/c9bf9f25549bb2f5eab916339b267a1732002c4chttps://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-mc5x-2j7v-x8hphttps://www.vulncheck.com/advisories/semantic-mediawiki-2.5.0-before-7.4.1-stored-xss-via-special-browse-factbox-title