CVE-2026-26000: XWiki vulnerable to click-jacking through CSS injection in comments

CVE-2026-26000 · Severity: medium · CVSS 4 · Published 2026-02-12

XWiki vulnerable to click-jacking through CSS injection in comments

Technologies: org.xwiki.platform:xwiki-platform-web (Maven). Vendors: Maven.

Quick answers

Is CVE-2026-26000 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-26000 being exploited in the wild.
How severe is CVE-2026-26000?
Medium severity, with a CVSS score of 4, published 12 February 2026.
Which products and versions are affected?
org.xwiki.platform:xwiki-platform-web (Maven) ECOSYSTEM:introduced=17.5.0,fixed=17.9.0.
Is there a fix for CVE-2026-26000?
Yes. org.xwiki.platform:xwiki-platform-web (Maven): upgrade to 17.9.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-26000?
Check whether you run org.xwiki.platform:xwiki-platform-web (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.xwiki.platform:xwiki-platform-web (Maven): upgrade to 17.9.0 or later
    # set org.xwiki.platform:xwiki-platform-web to 17.9.0 in your pom.xml or build.gradle

Affected products

  • org.xwiki.platform:xwiki-platform-web (Maven) ECOSYSTEM:introduced=17.5.0,fixed=17.9.0

Identifiers

  • CVE-2026-26000
  • GHSA-74rh-c5rh-88vg

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.