CVE-2021-4451

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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.6 MEDIUM
NETWORK
HIGH
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
WordfenceCNA
6.6 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
nintechnetninjafirewall
𝑥
≤ 4.3.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://blog.nintechnet.com/security-issue-fixed-in-ninjafirewall-wp-edition/
https://www.wordfence.com/threat-intel/vulnerabilities/id/1a1fc6c9-50cd-40fd-a777-9eed98aab797?source=cve