CVE-2026-26000

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

CVSS 5.3 MEDIUMEPSS 0.3%CWE-1021

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

xwiki · xwiki-platform

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References

https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.6 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-74rh-c5rh-88vg