EUVD-2026-213732

fkie_cve-2023-29524

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to execute anything with the right of the Scheduler Application sheet page. A user without script or programming rights, edit your user profile with the object editor and add a new object of type XWiki.SchedulerJobClass, In "Job Script", groovy code can be added and will be executed in the server context on viewing. This has been patched in XWiki 14.10.3 and 15.0 RC1. Users are advised to upgrade. There are no known workarounds for this issue.

GHSA-fc42-5w56-qw7h — XWiki Platform vulnerable to code injection from account through XWiki.SchedulerJobSheet

Affected: Maven: org.xwiki.platform:xwiki-platform-scheduler-ui

### Impact

It's possible to execute anything with the right of the Scheduler Application sheet page.

To reproduce: 1. As a user without script or programming rights, edit your user profile with the object editor and add a new object of type XWiki.SchedulerJobClass (search for "Scheduler") 1. In "Job Script", add the following ```{{/code}} {{async async="true" cached="false" context="doc.reference"}}{{groovy}}println("Hello " + "from groovy!"){{/groovy} {{/async}}``` 1. Click "Save & View" 1. If the job information isn't already displayed (you should see "Job Name", "Job Description", etc.), append ?sheet=XWiki.SchedulerJobSheet to the URL.

### Patches

This has been patched in XWiki 14.10.3 and 15.0 RC1.

### Workarounds

While the fix in the scheduler itself is easy, it relies on the code macro `source` parameter, which was introduced in 14.10.2 so you have to upgrade to benefit from it.

### References

https://jira.xwiki.org/browse/XWIKI-20295 https://jira.xwiki.org/browse/XWIKI-20462

### For more information

If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

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