SQL Injection Vulnerability in Zen Cart's PayPal IPN Handler
CVE-2026-108826

6.9MEDIUM

Key Information:

Vendor

Zen Cart

Status
Zen Cart
Vendor
CVE Published:
12 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108826?

A security flaw exists in Zen Cart versions up to 2.2.2, affecting the zen_db_perform function within the PayPal IPN Handler. By manipulating the transaction ID (txn_id), an attacker could execute SQL injection attacks remotely, potentially compromising the application's data integrity. This vulnerability has been publicly disclosed, and users are strongly encouraged to apply the recommended patch to mitigate any risks associated with this exploit.

Affected Version(s)

Zen Cart 2.2.0

Zen Cart 2.2.1

Zen Cart 2.2.2

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-2026-108826 - Proof of Concept

References

https://vuldb.com/vuln/416602
vdb-entrytechnical-description
https://vuldb.com/vuln/416602/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108826
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

cdhhsk (VulDB User)
.