GHSA-ghcq-472w-vf4h
MEDIUMIncorrect Use of Privileged APIs in org.xwiki.platform.skin.skinx
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Blast Radius
org.xwiki.platform:xwiki-platform-skin-skinx☕org.xwiki.platform:xwiki-platform-skin-skinx☕org.xwiki.platform:xwiki-platform-skin-skinxReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Impact
Simple users can create global SSX/JSX without specific rights: in theory only users with Programming Rights should be allowed to create SSX or JSX that are executed everywhere on a wiki. But a bug allow anyone with edit rights to actually create those.
Patches
This issue has been patched in XWiki 13.10-rc-1, 12.10.11 and 13.4.6.
Workarounds
There's no easy workaround for this issue, administrators should upgrade their wiki.
References
https://jira.xwiki.org/browse/XWIKI-19155
For more information
If you have any questions or comments about this advisory:
- Open an issue in JIRA
- Email us at XWiki Security ML
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.xwiki.platform:xwiki-platform-skin-skinx | ≥ 13.5.0&&< 13.10 | 13.10 |
| ☕Maven | org.xwiki.platform:xwiki-platform-skin-skinx | all versions | 12.10.11 |
| ☕Maven | org.xwiki.platform:xwiki-platform-skin-skinx | ≥ 13.0.0&&< 13.4.6 | 13.4.6 |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.xwiki.platform:xwiki-platform-skin-skinx. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update org.xwiki.platform:xwiki-platform-skin-skinx to 13.10 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-ghcq-472w-vf4h is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-ghcq-472w-vf4h is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-ghcq-472w-vf4h. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-ghcq-472w-vf4h in your dependencies?
O3 detects GHSA-ghcq-472w-vf4h across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.