NGINX Cache Optimizer <= 1.1 - Missing Authorization to Authenticated (Subscriber+) Dynamic Caching Exclusion Update

Missing Authorization
CVE CVE-2025-12014
CVSS Medium (4.3)
Publicly Published October 23, 2025
Last Updated October 24, 2025
Researcher Legion Hunter
Description

The NGINX Cache Optimizer plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'nginxcacheoptimizer-blacklist-update' AJAX action in all versions up to, and including, 1.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add URLs to the Exclude URLs From Dynamic Caching setting.

References

1 affected software package

Software Type Plugin
Software Slug nginx-cache-optimizer (view on wordpress.org)
Patched? No
Affected Version
  • <= 1.1
Patched Version
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