CVE-2026-116881

MediumCVSS 6.1/10Last modified Nov 4, 2026

Description

Semantic MediaWiki from 3.0.0 before 7.3.1 contains a cross-site scripting vulnerability that allows attackers to inject markup by storing malicious semantic property values rendered unescaped in autocomplete suggestions. When another user opens the property-value autocomplete with an empty query, jquery.autocomplete.js concatenates the raw PValueLookup API value into HTML via container.html(), altering the dropdown and potentially executing script.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
SemanticMediaWikiSemanticMediaWiki>= 3.0.0, < 7.3.1

References

Timeline

Published
Oct 27, 2026
Last modified
Nov 4, 2026
NVD status
Analyzed

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CVE-2026-116881: Medium severity, CVSS 6.1 | Vulnix