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Advisory record · GHSA-v2rr-xw95-wcjx

Privilege escalation (PR)/remote code execution from account through Menu.UIExtensionSheet

CVSS 10.0 CriticalCriticalEPSS 0.019 · 79th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 25 Oct 2023, 21:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.platform:xwiki-platform-menuMaven>=5.1-rc-1, <14.10.814.10.8
org.xwiki.platform:xwiki-platform-menu-uiMaven>=5.1-rc-1, <14.10.8 || >=15.0-rc-1, <15.3-rc-114.10.8, 15.3-rc-1
Identifiers
GHSA-v2rr-xw95-wcjx · CVE-2023-37909
Weakness (CWE)
CWE-94 · CWE-95
Tags
Published
25 Oct 2023
Updated
10 Sept 2026

Machine-written summary

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

Versions of xwiki-platform-menu before 14.10.8 and xwiki-platform-menu-ui before 14.10.8 or from 15.0-rc-1 before 15.3-rc-1 are affected. Any user who can edit their own profile can add a crafted extension point object and open the edit sheet to run script macros, including Groovy and Python, gaining remote code execution with unrestricted read and write access to wiki contents. Upgrade xwiki-platform-menu to 14.10.8 and xwiki-platform-menu-ui to 14.10.8 or 15.3-rc-1, as applicable. The source lists a manual patch to the Menu.UIExtensionSheet document as a workaround.

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 0.019, the 79th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 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.