CVE-2026-53608 @apostrophecms/seo Vulnerable to Stored XSS via Unsanitized Google Analytics / GTM ID Injected into Script Tag

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 1.4.2 of the @apostrophecms/seo package injects the Google Analytics Tracking ID seoGoogleTrackingId and Google Tag Manager ID seoGoogleTagManager directly into tag bodies using JavaScript template...

CVE-2026-53608

ApostropheCMS (open-source Node.js) vulnerability CVE-2026-53608 affects the @apostrophecms/seo package up to 1.4.2, where seoGoogleTrackingId and seoGoogleTagManager are injected into [removed] bodies via template literals without sanitization. With editor-level access, an attacker can set these...