CVE-2026-116874

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 v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-574v-j8hf-88h3	Exploit Mitigation Vendor Advisory
https://www.vulncheck.com/advisories/semanticmediawiki-3.1.0-before-7.3.1-reflected-xss-via-jsonresultprinter-default-parameter	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

28 Oct 2026, 15:30

Type	Values Removed	Values Added
CPE		cpe:2.3:a:semantic-mediawiki:semantic_mediawiki::::::mediawiki::*
First Time		Semantic-mediawiki semantic Mediawiki Semantic-mediawiki
References	~~() https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-574v-j8hf-88h3 -~~	() https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-574v-j8hf-88h3 - Exploit, Mitigation, Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/semanticmediawiki-3.1.0-before-7.3.1-reflected-xss-via-jsonresultprinter-default-parameter -~~	() https://www.vulncheck.com/advisories/semanticmediawiki-3.1.0-before-7.3.1-reflected-xss-via-jsonresultprinter-default-parameter - Third Party Advisory

27 Oct 2026, 11:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-27 11:17

Updated : 2026-10-28 15:30

NVD link : CVE-2026-116874

Mitre link : CVE-2026-116874

CVE.ORG link : CVE-2026-116874

JSON object : View

Products Affected

semantic-mediawiki

semantic_mediawiki

CWE

CWE-79

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

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