CVE-2022-3883 : Security Advisory and Response

WordPress plugin StopBadBots < 7.24 is vulnerable to Subscriber+ Arbitrary Plugin Installation.

Understanding CVE-2022-3883

This CVE-2022-3883 relates to an incorrect authorization and Cross-Site Request Forgery (CSRF) vulnerability in the StopBadBots plugin.

What is CVE-2022-3883?

The StopBadBots WordPress plugin before version 7.24 lacks proper authorization and CSRF protection, enabling authenticated users like subscribers to exploit it for installing and activating arbitrary plugins from wordpress.org.

The Impact of CVE-2022-3883

This vulnerability can be exploited by attackers with authenticated access, leading to unauthorized plugin installations and activations, potentially compromising the website's security.

Technical Details of CVE-2022-3883

Vulnerability Description

The vulnerability in the StopBadBots plugin allows authenticated users to perform unauthorized plugin installations and activations.

Affected Systems and Versions

The vulnerability affects StopBadBots plugin versions earlier than 7.24. Affected System: Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection.

Exploitation Mechanism

By exploiting the lack of authorization and CSRF protection in an AJAX action, authenticated users can misuse the plugin to install and activate arbitrary plugins.

Mitigation and Prevention

Immediate Steps to Take

Update the StopBadBots plugin to version 7.24 or later to patch the vulnerability.
Monitor for any unauthorized plugin installations.

Long-Term Security Practices

Regularly update all WordPress plugins and themes to maintain security.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Ensure timely installation of security patches and updates for all WordPress plugins and keep track of security advisories.