Critical severity9.8NVD Advisory· Published May 10, 2026· Updated May 12, 2026
CVE-2021-47923
CVE-2021-47923
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.
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Affected products
1Patches
Vulnerability mechanics
References
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