GHSA-cwq6-mjmx-47p6
MEDIUMXWiki's scheduler in subwiki allows scheduling operations for any main wiki user
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-scheduler-ui☕org.xwiki.platform:xwiki-platform-scheduler-uiReal-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
Any user with an account on the main wiki could run scheduling operations on subwikis.
To reproduce, as a user on the main wiki without any special right, view the document Scheduler.WebHome in a subwiki. Then, click on any operation (e.g., Trigger) on any job. If the operation is successful, then the instance is vulnerable.
Patches
This has been patched in XWiki 15.10.9 and 16.3.0.
Workarounds
If you have subwikis where the Job Scheduler is enabled, you can edit the objects on Scheduler.WebPreferences to match https://github.com/xwiki/xwiki-platform/commit/54bcc5a7a2e440cc591b91eece9c13dc0c487331#diff-8e274bd0065e319a34090339de6dfe56193144d15fd71c52c1be7272254728b4.
References
- https://jira.xwiki.org/browse/XWIKI-21663
- https://github.com/xwiki/xwiki-platform/commit/54bcc5a7a2e440cc591b91eece9c13dc0c487331
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.xwiki.platform:xwiki-platform-scheduler-ui | ≥ 1.2-milestone-2&&< 15.10.9 | 15.10.9 |
| ☕Maven | org.xwiki.platform:xwiki-platform-scheduler-ui | ≥ 16.0.0-rc-1&&< 16.3.0 | 16.3.0 |
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-scheduler-ui. 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-scheduler-ui to 15.10.9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-cwq6-mjmx-47p6 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-cwq6-mjmx-47p6 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-cwq6-mjmx-47p6. 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-cwq6-mjmx-47p6 in your dependencies?
O3 detects GHSA-cwq6-mjmx-47p6 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.