CVE-2026-53608

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

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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 `<script>` tag bodies using JavaScript template literals without any sanitization or validation. Any user with editor-level access (the default role for content managers) can set these fields to a malicious value, resulting in stored XSS that executes on every page for every visitor of the site. As of time of publication, no known patched versions are available.

CVSS 8.7 · Hoch · EPSS 0,3% · Korrektur verfügbar

Veröffentlicht

2026-06-12T20:57:48.913Z

Aktualisiert

2026-06-15T17:49:39.197Z

Technologie-Stack: node

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