NinjaFirewall <= 4.3.3 - Authenticated PHAR Deserialization

6.6
Deserialization of Untrusted Data
CVE CVE-2021-4451
CVSS 6.6 (Medium)
Publicly Published May 30, 2021
Last Updated October 16, 2024
Researcher Chloe Chamberland - Wordfence

Description

The NinjaFirewall plugin for WordPress is vulnerable to Authenticated PHAR Deserialization in versions up to, and including, 4.3.3. This allows authenticated attackers to perform phar deserialization on the server. This deserialization can allow other plugin or theme exploits if vulnerable software is present (WordPress, and NinjaFirewall).

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Vulnerability Details for NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall

Software Type Plugin
Software Slug ninjafirewall (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.3.4, or a newer patched version
Affected Version
  • < 4.3.4
Patched Version
  • 4.3.4

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