CVE-2023-29524: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

April 20, 2023

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.

References

github.com/advisories/GHSA-fc42-5w56-qw7h
github.com/xwiki/xwiki-platform/security/advisories/GHSA-fc42-5w56-qw7h
jira.xwiki.org/browse/XWIKI-20295
jira.xwiki.org/browse/XWIKI-20462
nvd.nist.gov/vuln/detail/CVE-2023-29524

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