What is CVE-2026-5331?

CVE-2026-5331 is a medium-severity vulnerability in Opencart, classified under Path Traversal. CVSS score: 4.7/10. Published 2026-04-02.

How severe is CVE-2026-5331?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Path Traversal in Opencart

CVE-2026-5331

A vulnerability was determined in OpenCart 4.1.0.3. This affects an unknown part of the file installer.php of the component Extension Installer Page. Executing a manipulation can lead to path traversal. The attack may be launched remotely…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.002 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Opencart — versions 4.1.0.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

VDB-354665 | OpenCart Extension Installer installer.php path traversal (vdb-entry)
VDB-354665 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #780814 | OpenCart 4.1.0.3 Path Traversal (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-5331?: CVE-2026-5331 is a medium-severity vulnerability in Opencart, classified under Path Traversal. CVSS score: 4.7/10. Published 2026-04-02.
How severe is CVE-2026-5331?: Medium severity. CVSS v3 base score is 4.7 out of 10.