CVE-2026-116872: falha de alta gravidade em SemanticMediaWiki
Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact Filters
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.7epss 0.4%
Semantic MediaWiki from 3.0.0 before 7.3.1 contains an algorithmic complexity vulnerability in TermParser::normalize_compact_form() that allows unauthenticated attackers to cause quadratic CPU consumption. Attackers can submit long search terms with many distinct in:(...) or has:(...) expressions to Special:Search to exhaust PHP search workers when the extended search engine is enabled.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Produtos afetados
SemanticMediaWiki · SemanticMediaWikiCVEs relacionadas — SemanticMediaWiki
No mesmo produto, das mais perigosas para as 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-2026-77616MEDIUMSemantic MediaWiki affected by reflected XSS in `Special:Ask` via a forged cursor pagination tokenEPSS 0.3%CVE-2026-77610MEDIUMSemantic MediaWiki has a query debug output XSS (`DebugFormatter`)EPSS 0.3%
Referências
https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/c2bf1699dec4016e21ce52613152bda799ce87d4https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-j2r2-7qpg-p675https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.1-denial-of-service-via-special-search-compact-filters