CVE-2026-116888

SemanticMediaWiki 3.2.0 before 7.3.1 Stored XSS via Special:Browse Group Heading

State: Published
Severity: 4.8 Medium
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Oct 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N	VulnCheck
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
SemanticMediaWikiSemanticMediaWiki	3.2.0 to before 7.3.1Affected 7.3.1Not affected

References

GitHub Security Advisory (GHSA-fp94-c5vh-cmhp)vendor-advisory
VulnCheck Advisory: SemanticMediaWiki 3.2.0 before 7.3.1 Stored XSS via Special:Browse Group Headingthird-party-advisory

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