Vulnerability Description
SemanticMediaWiki from 3.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with the smw-schemaedit right to inject markup through an unescaped property group schema canonical_name. Attackers can save a schema whose canonical_name holds script markup, which GroupFormatter renders unescaped in Special:Browse headings, executing JavaScript in viewers' sessions including administrators.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Semantic-Mediawiki | Semantic Mediawiki | >= 3.2.0, < 7.3.1 |
Related Weaknesses (CWE)
References
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-ExploitMitigationVendor Advisory
- https://www.vulncheck.com/advisories/semanticmediawiki-3.2.0-before-7.3.1-storedThird Party Advisory
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-ExploitMitigationVendor Advisory
FAQ
What is CVE-2026-116888?
CVE-2026-116888 is a vulnerability with a CVSS score of 4.8 (MEDIUM). SemanticMediaWiki from 3.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with the smw-schemaedit right to inject markup through an unescaped property group sche...
How severe is CVE-2026-116888?
CVE-2026-116888 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116888?
Check the references section above for vendor advisories and patch information. Affected products include: Semantic-Mediawiki Semantic Mediawiki.