WordPress .htaccess Login Block Plugin Reflected Cross-Site Scripting Vulnerability

A reflected cross-site scripting vulnerability has been identified in the WordPress .htaccess Login Block plugin, affecting versions through 0.9a. This issue arises from improper input sanitization during web page generation, allowing malicious actors to inject harmful scripts that could be executed when users visit the affected site.

Impact

Exploitation of this vulnerability allows for reflected cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users of the WordPress .htaccess Login Block plugin can apply a virtual patch available through Patchstack to mitigate this vulnerability. This virtual patch blocks attacks until an official fix is released.