CVE-2025-61682 PUBLISHED

Semantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributes

Assigner: GitHub_M
Reserved: 29.09.2025 Published: 18.09.2026 Updated: 18.09.2026

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0.0 patches the issue.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS Score: 8.6

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	SemanticMediaWiki
Product	SemanticMediaWiki
Versions	Version >= 3.1.0, < 7.0.0 is affected

References

Problem Types

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