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Input validation vulnerability in Nginx Cache Purge Preload 2.1.1

  • Severity: high-risk
  • Status: Fixed
  • Publication: July 21, 2025

The Nginx Cache Purge Preload plugin for WordPress has a security issue that could allow attackers to run malicious code on a server. This vulnerability affects all versions of the plugin up to 2.1.1. It is caused by not properly cleaning the information received from the ‘nppp_handle_fastcgi_cache_actions_admin_bar’ function. This means that hackers with Administrator-level access or higher could potentially exploit this vulnerability.

Detected in:

Nginx Cache Purge Preload fixed vulnerable versions: >= * <= 2.1.1

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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