CVE-2021-47923

CriticalCVSS 9.8/10Last modified Oct 6, 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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-290

Affected software

No affected versions have been published.

Timeline

Published
May 10, 2026
Last modified
Oct 6, 2026
NVD status
Deferred

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CVE-2021-47923: Critical severity, CVSS 9.8 | Vulnix