Authenticated PHAR Deserialization Vulnerability Affects NinjaFirewall Plugin
CVE-2021-4451

7.2HIGH

Key Information:

Vendor

Wordpress
Status
Ninjafirewall (WP Edition) – Advanced Security Plugin And Firewall
Vendor
CVE Published:
16 October 2024

What is CVE-2021-4451?

The NinjaFirewall plugin for WordPress is susceptible to a vulnerability that enables authenticated attackers to exploit PHAR deserialization up to version 4.3.3. This security issue could potentially lead to further exploitation of other plugins or themes if those are also vulnerable. Users are advised to update to the latest version of the plugin and perform thorough security assessments to mitigate any risks associated with this vulnerability.

Affected Version(s)

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall * < 4.3.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/security-issue-fixed-in-ninja...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Chloe Chamberland
.