CVE-2025-53836 XWiki Rendering is vulnerable to RCE attacks when processing nested macros

XWiki Rendering is a generic rendering system that converts textual input in a given syntax wiki syntax, HTML, etc into another syntax XHTML, etc. Starting in version 4.2-milestone-1 and prior to versions 13.10.11, 14.4.7, and 14.10, the default macro content parser doesn't preserve the restricte...