CVE-2021-4074 WHMCS Bridge <= 6.1 Subscriber+ Stored Cross-Site Scripting

The WHMCS Bridge WordPress plugin is vulnerable to Stored Cross-Site Scripting via the ccwhmcsbridgeurl parameter found in the /whmcs-bridge/bridgecp.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 6.1. Due to missing authorization checks on the...