CVE-2026-54003 Kirby: External Initialization of the Panel on reverse proxy setups with the `Forwarded` header

Kirby is an open-source content management system. Prior to 4.9.4 and from 5.4.4, Kirby sites with no configured user accounts that run on publicly accessible servers behind a reverse proxy setting the Forwarded, X-Client-IP, or X-Real-IP request header could allow remote attackers to install the...

CVE-2026-32870

Kirby is an open-source content management system. Kirby's Xml::value method has special handling for blocks. If the input value is already valid CDATA, it is not escaped a second time but allowed to pass through. However, prior to versions 4.9.0 and 5.4.0, it was possible to trick this check int...

CVE-2026-32870 Kirby has XML injection in its XML creator toolkit

Kirby is an open-source content management system. Kirby's Xml::value method has special handling for blocks. If the input value is already valid CDATA, it is not escaped a second time but allowed to pass through. However, prior to versions 4.9.0 and 5.4.0, it was possible to trick this check int...