CVE-2026-116891
SemanticMediaWiki 4.2.0 before 7.2.1 Reflected XSS via Special:FacetedSearch cstate
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
SemanticMediaWiki from 4.2.0 before 7.2.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject HTML via unescaped cstate parameters in Special:FacetedSearch. Attackers can craft URLs with q, a matching crc32 csum or filtered=1, and cstate values that break out of hidden input attributes to execute script in victims' browsers.
| CWE | CWE-79 |
| Vendor | semanticmediawiki |
| Product | semanticmediawiki |
| Published | Oct 27, 2026 |
| Last Updated | Oct 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
SemanticMediaWiki / SemanticMediaWiki
4.2.0 < 7.2.1
References
Credits
🔍 arpitjain099