The Cubecart::_basket method in classes/cubecart.class.php in CubeCart 5.0.0 through 5.2.0 allows remote attackers to unserialize arbitrary PHP objects via a crafted shipping parameter, as demonstrated by modifying the application configuration using the Config object.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:HI:HA:H9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H