CVE-2026-116875

Medium

Description

SemanticMediaWiki from 3.0.0 before 7.3.1 contains a reflected cross-site scripting vulnerability in Special:Ask, which outputs separator parameters (sep, propsep, valuesep, delim, separator) without HTML escaping in list, category, DSV, and CSV result printers. Unauthenticated attackers can send victims crafted Special:Ask links using request_type=raw or request_type=special_page to execute JavaScript in the wiki's origin, stealing sessions or CSRF tokens.

SeverityMedium
CVSS6.1
Exploit probability—
ProductSemantic-mediawiki Semantic Mediawiki
PublishedOct 27, 2026
First seenOct 27, 2026

How to fix

Update
  • semantic-mediawiki semantic_mediawiki7.3.1 or later

Affected products

ProductAffected versionsFixed in
semantic-mediawiki semantic_mediawiki3.0.0 ≤ v < 7.3.17.3.1

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