CVE-2026-82921 ShopEx ECShop pack.php check_img_type unrestricted upload
Remote attackers can upload malicious files via the admin pack.php script, potentially leading to code execution on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82921?
CVE-2026-82921 is a medium-severity vulnerability in ShopEx ECShop, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-82921?
How do I fix CVE-2026-82921?
No fix has been published for CVE-2026-82921 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82921 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82921 exists.
Sources
Also known as GHSA-2r69-3cfm-2cc4.