Unauthorized Data Modification in NGINX Cache Optimizer Plugin for WordPress
CVE-2025-12014

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Nginx Cache Optimizer
Vendor
CVE Published:
24 October 2025

What is CVE-2025-12014?

The NGINX Cache Optimizer plugin for WordPress contains a flaw that allows authenticated attackers with Subscriber-level access and above to exploit a missing capability check. This vulnerability permits unauthorized modification of data via the 'nginxcacheoptimizer-blacklist-update' AJAX action, enabling attackers to manipulate the Exclude URLs From Dynamic Caching setting, potentially disrupting site functionality and compromising user experience.

Affected Version(s)

NGINX Cache Optimizer * <= 1.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/nginx-cache-optimizer/

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abhirup Konwar
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