CVE-2021-31747: Pluck-CMS Pluck

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Missing SSL Certificate Validation issue exists in Pluck 4.7.15 in update_applet.php, which could lead to man-in-the-middle attacks.

Affected products

• Pluck-CMS Pluck: version 4.7.15 only

Published 2021-12-10. Last modified 2026-06-17.