CVE-2021-47923
CRITICAL NVDCVSS Score
9.8
Severity
CRITICAL
Source
NVD
Published
May 10, 2026
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.