Vulnerability Description
SemanticMediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the unescaped default parameter in JsonResultPrinter. Attackers can lure victims to a crafted Special:Ask link with a zero-result query and request_type=special_page, executing JavaScript in the wiki origin to steal sessions or CSRF tokens.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Semantic-Mediawiki | Semantic Mediawiki | >= 3.1.0, < 7.3.1 |
Related Weaknesses (CWE)
References
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-ExploitMitigationVendor Advisory
- https://www.vulncheck.com/advisories/semanticmediawiki-3.1.0-before-7.3.1-reflecThird Party Advisory
FAQ
What is CVE-2026-116874?
CVE-2026-116874 is a vulnerability with a CVSS score of 6.1 (MEDIUM). SemanticMediaWiki from 3.1.0 before 7.3.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the unescaped default parameter in Jso...
How severe is CVE-2026-116874?
CVE-2026-116874 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116874?
Check the references section above for vendor advisories and patch information. Affected products include: Semantic-Mediawiki Semantic Mediawiki.