CVE-2026-82921: ShopEx ECShop pack.php check_img_type unrestricted upload

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-31 · updated 2026-09-01
Weakness: CWE-284

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.

Affected products

ECshop: 2.5.0, 2.5.1

References

https://uvxbywu62qm.feishu.cn/wiki/TNENwNItlitygtk2uABcj02lndc?from=from_copylink
https://vuldb.com/cve/CVE-2026-82921
https://vuldb.com/submit/879229
https://vuldb.com/vuln/397301
https://vuldb.com/vuln/397301/cti

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