Vulnerability · Published Oct 16, 2024 · Assigned by Wordfence
CVE-2021-4451NinjaFirewall <= 4.3.3 - Authenticated PHAR Deserialization
Medium 6.6
In plain English
A medium-severity unsafe deserialization in NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall from nintechnet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Official 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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nintechnet | NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall | 0 – before 4.3.4 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H