CVE-2026-45014: Apostrophecms Apostrophe

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip. As of time of publication, no known patched versions are available.

Affected products

• Apostrophecms Apostrophe: up to and including 4.29.0

Published 2026-06-12. Last modified 2026-06-17.