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. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v4.0

2.0 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

CVSS v3.1

4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

5.8 MEDIUMAV:N/AC:L/Au:M/C:P/I:P/A:P

EPSS

0.40% chance of exploitation in the next 30 days, 33th percentile

Published

2026-04-02

Proof-of-concept exploits (1)

• https://drive.google.com/file/d/1YemSW2Tn0LKzY3mPosMzElQeHs8P3LMt/view?usp=sharing

References

• CVE Record
• NVD entry

Related

• CVE-2026-5330
• CVE-2026-5332
• CVE-2026-5328
• CVE-2026-5333
• CVE-2026-5327
• CVE-2026-5334