CVE-2021-47923
CRITICAL EPSS 33.9%
Published May 10, 20261mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Published May 10, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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 Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
33.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-290
References 3
- exploit-db.com https://www.exploit-db.com/exploits/50555
- opencart.com https://www.opencart.com/
- vulncheck.com https://www.vulncheck.com/advisories/opencart-session-fixation-via-ocsessid-cookie
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.