CVE-2023-1929: Wpfastestcache Wp Fastest Cache

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability check on the wpfc_purgecache_varnish_callback function in versions up to, and including, 1.1.2. This makes it possible for authenticated attackers with subscriber-level access to purge the varnish cache.

Affected products

• Wpfastestcache Wp Fastest Cache: up to and including 1.1.2

Published 2023-04-06. Last modified 2026-06-17.