CVE-2021-47923

CRITICAL 9.8CVE-2021-47923 · Published 10/05/2026 · updated 06/10/2026

In short

CVE-2021-47923 is a CRITICAL (CVSS 9.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.42%, higher than 36.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

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

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