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CVE-2026-116875 Details

Description

SemanticMediaWiki from 3.0.0 before 7.3.1 contains a reflected cross-site scripting vulnerability in Special:Ask, which outputs separator parameters (sep, propsep, valuesep, delim, separator) without HTML escaping in list, category, DSV, and CSV result printers. Unauthenticated attackers can send victims crafted Special:Ask links using request_type=raw or request_type=special_page to execute JavaScript in the wiki's origin, stealing sessions or CSRF tokens.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-3v2c-r7rx-frc8	CISA-ADP	ExploitMitigationVendor Advisory
https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-3v2c-r7rx-frc8	[email protected]	ExploitMitigationVendor Advisory
https://www.vulncheck.com/advisories/semanticmediawiki-3.0.0-before-7.3.1-reflected-xss-via-special-ask-separator-parameters	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
semantic-mediawiki semantic mediawiki	>= 3.0.0, < 7.3.1
CPE cpe:2.3:a:semantic-mediawiki:semantic_mediawiki::::::mediawiki::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Nov 4, 2026	CVE Modified	CISA-ADP
Oct 28, 2026	Initial Analysis	[email protected]
Oct 27, 2026	New CVE Received	[email protected]