What’s Vulnerable › Vulnerabilities

CVE-2025-6213: Nginx Cache Purge Preload <= 2.1.1 - Authenticated (Administrator+) Remote Code Execution

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-22 · updated 2026-06-17
• Weakness: CWE-94

Description

The Nginx Cache Purge Preload plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.1.1 via the 'nppp_preload_cache_on_update' function. This is due to insufficient sanitization of the $_SERVER['HTTP_REFERERER'] parameter passed from the 'nppp_handle_fastcgi_cache_actions_admin_bar' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to execute code on the server.

Affected products

• psauxit Nginx Cache Purge Preload: through 2.1.1

References

• https://github.com/psaux-it/nginx-fastcgi-cache-purge-and-preload
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3332176%40fastcgi-cache-purge-and-preload-nginx&new=3332176%40fastcgi-cache-purge-and-preload-nginx&sfp_email=&sfph_mail=#file15
• https://wordpress.org/plugins/fastcgi-cache-purge-and-preload-nginx/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/bbe8c101-5e0a-4ba7-8ff7-4c8ed01e9ef5?source=cve

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