CVE-2026-109392 [MEDIUM] – Pimcore through 2026.3.1 contains a stored cross-site scripting vulnerability that allows

Pimcore through 2026.3.1 contains a stored cross-site scripting vulnerability that allows authenticated backend users to inject scripts by storing unescaped URLs in ExternalImage fields. Attackers with data object edit permission can store attribute-breaking payloads that execute JavaScript in the admin origin when other users open version preview or diff views.