Unrestricted File Upload in ShopEx ECShop Affects Remote Operations
CVE-2026-82921

6.9MEDIUM

Key Information:

Vendor

Shopex

Status
Ecshop
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82921?

A vulnerability exists within ShopEx ECShop versions up to 2.5.1 in the check_img_type functionality located in admin/pack.php. Specifically, this weakness allows an attacker to manipulate the pack_img argument, resulting in unrestricted file uploads. This flaw exposes affected systems to potential remote exploitation, as the attack vector is publicly available. Despite proactive outreach to the vendor for remediation, no response has been noted.

Affected Version(s)

ECShop 2.5.0

ECShop 2.5.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-82921 - Proof of Concept

References

https://vuldb.com/vuln/397301
vdb-entrytechnical-description
https://vuldb.com/vuln/397301/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82921
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

hubdk01 (VulDB User)
VulDB CNA Team
.