What is CVE-2026-82921?

CVE-2026-82921 is a high-severity vulnerability in Shopex Ecshop, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-08-31.

How severe is CVE-2026-82921?

High severity. CVSS v3 base score is 7.3 out of 10.

Arbitrary file upload in Shopex Ecshop

CVE-2026-82921

A weakness has been identified in ShopEx ECShop up to 2.5.1. This affects the function check_img_type of the file admin/pack.php. Executing a manipulation of the argument pack_img can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Shopex Ecshop — versions 2.5.0, 2.5.1

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-82921?: CVE-2026-82921 is a high-severity vulnerability in Shopex Ecshop, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-08-31.
How severe is CVE-2026-82921?: High severity. CVSS v3 base score is 7.3 out of 10.