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CVE-2021-47923

CRITICAL Exploitation: PoC
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2021-47923
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-02-01 11:24 UTC
Published
2026-05-10 12:43 UTC
Last updated
2026-05-11 15:14 UTC
Primary CWE
CWE-290
Authentication Bypass by Spoofing
Vendor / Product
Opencart / opencart
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Opencart opencart — 3.0.3.8
Weakness (CWE)
CWESourceDescription
CWE-290 cna Authentication Bypass by Spoofing
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 CRITICAL 4.0 cna 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
References (3)
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