HuCart 5.7.4 has SQL injection in get_ip() in system/class/helper_class.php via the X-Forwarded-For HTTP header to the user/index.php?load=login&act=act_login URI.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)