CVE-2026-26000CWE-1021

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

Medium · published February 12, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
32.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
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
EPSS
0.00393 · 32.3th percentile
Weakness
CWE-1021 · Improper Restriction of Rendered UI Layers or Frames
Published
2026-02-12T20:30Z
EPSS history
Timeline
  • 12 FEB 20:30Z
    XWiki Platform affected by click-jacking through CSS injection in comments
    cvelistv5