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Advisory record · GHSA-4hfp-m9gv-m753

XWiki extension license information is public, exposing instance id and license holder details

CVSS 5.3 MediumEPSS 0.0049 · 42nd percentile

Published by the GitHub Advisory Database at 21 Feb 2024, 18:04 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
com.xwiki.licensing:application-licensing-licensor-uiMaven>=1.0, <1.24.21.24.2
Identifiers
GHSA-4hfp-m9gv-m753 · CVE-2024-26138
Weakness (CWE)
CWE-862
Tags
Published
21 Feb 2024
Updated
10 Sept 2026

Machine-written summary

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

The application-licensing-licensor-ui package for XWiki, versions from 1.0 before 1.24.2, exposes a license document publicly, revealing the instance ID and the first name, last name and email of the license owner. Anyone, without authentication, can read this information, which could support targeted phishing and linking of the instance to active-install data. Upgrade to version 1.24.2. No workarounds are listed besides upgrading.

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
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0049, the 42nd 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.