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.
References
| Link | Resource |
|---|---|
| https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh | Exploit Mitigation Vendor Advisory |
| https://www.vulncheck.com/advisories/semanticmediawiki-5.0.0-before-7.3.1-stored-xss-via-tooltip-module-data-attributes | Third Party Advisory |
| https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhh | Exploit Mitigation Vendor Advisory |
Configurations
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 |
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 - 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 - 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')
