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CVE-2021-4451 is a high severity vulnerability with a CVSS score of 7.2. No known exploits currently, and patches are available.
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Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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).
| Vendor | Product |
|---|---|
| Nintechnet | Ninjafirewall |