Description
XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-2 and prior to versions 14.10.4 and 15.0-rc-1, it's possible for a user to execute anything with the right of the author of the XWiki.ClassSheet document. This has been patched in XWiki 15.0-rc-1 and 14.10.4. There are no known workarounds.
Remediation
References
https://github.com/xwiki/xwiki-platform/commit/de72760d4a3e1e9be64a10660a0c19e9534e2ec4
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-36fm-j33w-c25f
https://jira.xwiki.org/browse/XWIKI-20566
Related Vulnerabilities
CVE-2023-26480 Vulnerability in maven package org.xwiki.platform:xwiki-platform-livedata-webjar
CVE-2020-26939 Vulnerability in maven package org.bouncycastle:bcprov-ext-jdk15to18
CVE-2023-26479 Vulnerability in maven package org.xwiki.platform:xwiki-platform-rendering-parser
CVE-2020-5206 Vulnerability in maven package org.opencastproject:opencast-kernel
CVE-2020-9480 Vulnerability in maven package org.apache.spark:spark-network-shuffle_2.10