CVE-2026-26000

XWiki Platform affected by click-jacking through CSS injection in comments

State: Published
Severity: 5.3 Medium
Published: Feb 12, 2026
Updated: Feb 12, 2026
Reserved: Feb 9, 2026

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

Affected Products

Product	Versions
xwiki-platformxwiki	>= 17.5.0, < 17.9.0Affected >= 17.0.0-rc-1, < 17.4.6Affected < 16.10.13Affected

References

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