CVE-2021-47923

critical · 9.3

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.

9.3

CVSS

0.4%

EPSS (exploit prob.)

36th

EPSS percentile

2026-05-10

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-290

References

https://www.exploit-db.com/exploits/50555
https://www.opencart.com/
https://www.vulncheck.com/advisories/opencart-session-fixation-via-ocsessid-cookie

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-47923