Cross-Site Request Forgery in Defender Security Plugin for WordPress
CVE-2021-4425

4.3MEDIUM

Key Information:

Vendor

Wordpress
Status
Defender Security – Malware Scanner, Login Security & Firewall
Vendor
CVE Published:
12 July 2023

What is CVE-2021-4425?

The Defender Security plugin for WordPress is susceptible to a Cross-Site Request Forgery (CSRF) attack due to improper nonce validation in the verify_otp_login_time() function. This flaw can be exploited by malicious actors who can trick an administrator into executing a forged request. As a result, unauthorized verification of a one-time login is possible, thereby compromising the security of the affected WordPress installation.

Affected Version(s)

Defender Security – Malware Scanner, Login Security & Firewall * <= 2.4.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/25-wordpress-plugins-vulnerab...
https://blog.nintechnet.com/more-wordpress-plugins-and-th...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
.
The Cyber Security Vulnerability Database.