PT-2026-126347

CVE-2026-116886

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Published

2026-10-27

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Updated

2026-10-27

Description by

CVSS 3.1
5.4
Medium
MetricsAV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Semantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject scripts via External identifier property values. Attackers can annotate markup payloads that ExternalIdentifierValue renders unescaped on Special:Browse, executing JavaScript in viewers' sessions, including administrators.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')
Related identifiers
CVE-2026-116886
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