WP Fastest Cache <= 1.1.2 - Missing Authorization in 'deleteCssAndJsCacheToolbar'

Missing Authorization
CVE CVE-2023-1931
CVSS 4.3 (Medium)
Publicly Published April 6, 2023
Last Updated April 7, 2023
Researcher Marco Wotschka


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

Wordfence blocked 2,637 attacks targeting this vulnerability in the past 24 hours.



1 affected software package

Software Type Plugin
Software Slug wp-fastest-cache (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.1.3, or a newer patched version
Affected Version
  • <= 1.1.2
Patched Version
  • 1.1.3

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