CVE-2021-47923
CRITICAL
NVD
CVSS Score
9.8
Severity
CRITICAL
Published
May 10, 2026
Vendor
unknown
Description
OpenCart 3.0.3.8 contains a session fixation vulnerability that allows attackers to hijack user sessions by injecting arbitrary values into the OCSESSID cookie. Attackers can set malicious OCSESSID cookie values that the server accepts and maintains, enabling session takeover and unauthorized access to user accounts.