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Advisory record · GHSA-32mf-57h2-64x9

XWiki Rendering is vulnerable to RCE attacks when processing nested macros

CVSS 10.0 CriticalCriticalEPSS 0.0064 · 51st percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 14 Jul 2025, 22:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.rendering:xwiki-rendering-transformation-macroMaven>=4.2-milestone-1, <13.10.11 || >=14.0, <14.4.7 || >=14.5, <14.1013.10.11, 14.4.7, 14.10
Identifiers
GHSA-32mf-57h2-64x9 · CVE-2025-53836
Weakness (CWE)
CWE-94 · CWE-863
Tags
Published
14 Jul 2025
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The xwiki-rendering-transformation-macro Maven package (org.xwiki.rendering) is affected in versions from 4.2-milestone-1 up to 13.10.11, from 14.0 up to 14.4.7, and from 14.5 up to 14.10. A user who can add comments can use nested macros to run script macros that are normally blocked in restricted mode, which allows remote code execution. Upgrade to 13.10.11, 14.4.7, or 14.10. Until then, disabling comments for untrusted users reduces exposure, though users with edit rights can still add comments through the object editor.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0064, the 51st percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:17 UTC First seen by agentprime
  2. 31 Oct 2026, 14:17 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.