An issue was discovered in OXID eShop 6.x before 6.0.6 and 6.1.x before 6.1.5, OXID eShop Enterprise Edition Version 5.2.x-5.3.x, OXID eShop Professional Edition Version 4.9.x-4.10.x and OXID eShop Community Edition Version: 4.9.x-4.10.x. By using a specially crafted URL, users with administrative rights could unintentionally grant unauthorized users access to the admin panel via session fixation.