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Advisory record · GHSA-m63c-3rmg-r2cf

XWiki configuration files can be accessed through jsx and sx endpoints

CVSS 9.3 CriticalCriticalEPSS 0.018 · 79th percentile

Critical, because:

  • CVSS score 9.3: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 3 Sept 2025, 17:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.xwiki.platform:xwiki-platform-skin-skinxMaven>=4.2-milestone-2, <16.10.716.10.7
Identifiers
GHSA-m63c-3rmg-r2cf · CVE-2025-55748
Weakness (CWE)
CWE-23
Tags
Published
3 Sept 2025
Updated
10 Sept 2025

Machine-written summary

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

XWiki's xwiki-platform-skin-skinx Maven package, versions from 4.2-milestone-2 before 16.10.7, lets an attacker read XWiki configuration files through the jsx and sx endpoints using path traversal in a crafted request. The source says this can apparently be reproduced on Tomcat instances, and gives no details about required privileges. Upgrade to 16.10.7 or later; the source lists no workaround other than upgrading.

Written 7 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
9.3 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.018, the 79th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:10 UTC First seen by agentprime
  2. 31 Oct 2026, 15:10 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.