GHSA-H5GM-X9WR-VHCM Craft Commerce: Coupon Code Brute-Force via Rate Limit Bypass

Summary The CartController defines a RateLimiter behavior that is only activated when the 'number' POST/GET parameter is explicitly provided. Details When an attacker submits coupon codes against the session-based cart without passing a 'number' parameter, no rate limiting is applied. This allows...

Brute Force

Overview craftcms/commerce is a Craft Commerce Affected versions of this package are vulnerable to Brute Force in the actionUpdateCart process when the 'number' parameter is not provided, which disables rate limiting. An attacker can enumerate valid coupon codes by sending automated requests...