CVE-2026-116884

SemanticMediaWiki from 5.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability in ext.smw.tooltip.tippy.js that renders data-* attributes via innerHTML with allowHTML enabled. Editors can plant a .smw-highlighter span with a malicious data-content, data-title, data-top, data-bottom, or data-theme attribute to execute JavaScript when viewers, including administrators, hover it.
Configurations

Configuration 1 (hide)

cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:*:*:*:*:*:mediawiki:*:*

History

31 Oct 2026, 03:17

Type Values Removed Values Added
References () https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh - Exploit, Mitigation, Vendor Advisory () https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh - Exploit, Mitigation, Vendor Advisory

28 Oct 2026, 15:32

Type Values Removed Values Added
First Time Semantic-mediawiki semantic Mediawiki
Semantic-mediawiki
CPE cpe:2.3:a:semantic-mediawiki:semantic_mediawiki:*:*:*:*:*:mediawiki:*:*
References () https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh - () https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh - Exploit, Mitigation, Vendor Advisory
References () https://www.vulncheck.com/advisories/semanticmediawiki-5.0.0-before-7.3.1-stored-xss-via-tooltip-module-data-attributes - () https://www.vulncheck.com/advisories/semanticmediawiki-5.0.0-before-7.3.1-stored-xss-via-tooltip-module-data-attributes - Third Party Advisory

27 Oct 2026, 11:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-27 11:17

Updated : 2026-10-31 03:17


NVD link : CVE-2026-116884

Mitre link : CVE-2026-116884

CVE.ORG link : CVE-2026-116884


JSON object : View

Products Affected

semantic-mediawiki

  • semantic_mediawiki
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')