PT-2025-43597 · WordPress · Nginx Cache Optimizer

Abhirup Konwar · Published 2025-10-24 · Updated 2025-10-24 · CVE-2025-12014

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions NGINX Cache Optimizer plugin for WordPress versions up to and including 1.1

Description The NGINX Cache Optimizer plugin for WordPress is susceptible to unauthorized data modification. A missing capability check on the nginxcacheoptimizer-blacklist-update AJAX action allows authenticated attackers with Subscriber-level access or higher to add URLs to the Exclude URLs From Dynamic Caching setting. The vulnerable AJAX action is nginxcacheoptimizer-blacklist-update.

Recommendations Update the NGINX Cache Optimizer plugin to a version beyond 1.1.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-12014

Affected Products

Nginx Cache Optimizer

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-12014 · Security Note
• https://t.me/CVEtracker/35656 · Telegram Post
• https://twitter.com/CVEnew/status/1981643764956299328 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1981666196110897346 · Twitter Post
• https://wordpress.org/plugins/nginx-cache-optimizer · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/7dd18e4e-9aa6-403e-aec3-21f33d739066?source=cve · Note