WidzialniCMS is vulnerable to Bruteforce Protection Bypass in the login functionality. The cookie-based lockout can be bypassed by omitting the login_count and login_timeout cookies, allowing an unauthenticated attacker to perform an unlimited number of login attempts.
This issue has been fixed in version 2.5.
Improper Restriction of Excessive Authentication Attempts The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.