CVE-2023-29516 Information

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights on XWiki.AttachmentSelector can execute arbitrary Groovy Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping in the \Cancel and return to page\ button. This page is installed by default. This vulnerability has been patched in XWiki 15.0-rc-1 14.10.1 14.4.8 and 13.10.11. There are no known workarounds for this vulnerability.

Reference

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996 https://jira.xwiki.org/browse/XWIKI-20275