CVE-2021-4451
NinjaFirewall <= 4.3.3 - Authenticated PHAR Deserialization
- State
- Published
- Severity
- 6.6 Medium
- Published
- Oct 16, 2024
- Updated
- Apr 8, 2026
- Reserved
- Oct 15, 2024
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.6 Medium | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | Wordfence |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewallnintechnet |
|
References
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