CVE-2026-33229CRITICAL 9.8EPSS p41.1%

CVE-2026-33229CVE-2026-33229

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.4.8 and 17.10.1, an improperly protected scripting API allows any user with script right to bypass the sandboxing of the Velocity scripting API and execute, e.g., arbitrary Python scripts, allowing full access to the XWiki instance and thereby compromising the confidentiality, integrity and availability of the whole instance. Note that script right already constitutes a high level of access that we don't recommend giving to untrusted users. This vulnerability is fixed in 17.4.8 and 17.10.1.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.54% probability of exploitation · percentile 41.1% · 2026-06-19T12:03:05Z
Published2026-04-08
Last modified2026-04-14

Underlying weaknesses· 1

CWE-862

References

  1. https://github.com/xwiki/xwiki-platform/commit/9fe84da66184c05953df9466cf3a4acd15a46e63
  2. https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h259-74h5-4rh9
  3. https://jira.xwiki.org/browse/XWIKI-23698
  4. https://jira.xwiki.org/browse/XWIKI-23702

1

TypeTargetConfidenceTier
WeaknessMissing Authorizationcwe-8620%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.