Zen Cart up to 2.2.2 PayPal IPN paypaldp.php zen_db_perform txn_id sql injection

Summaryinfo

A vulnerability was found in Zen Cart up to 2.2.2 and classified as critical. Affected is the function zen_db_perform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Executing a manipulation of the argument txn_id can lead to sql injection. This vulnerability is tracked as CVE-2026-108826. The attack can be launched remotely. Moreover, an exploit is present. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical was found in Zen Cart up to 2.2.2. This vulnerability affects the function zen_db_perform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. The manipulation of the argument txn_id with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at cdkkx.github.io. This vulnerability was named CVE-2026-108826. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

It is possible to download the exploit at cdkkx.github.io. It is declared as proof-of-concept. By approaching the search of inurl:includes/modules/payment/paypaldp.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 557154f4fa025f51553094f47b06aa024220c48f is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Warehouse Management System Software

Name

• Zen Cart

Version

• 2.2.0
• 2.2.1
• 2.2.2

License

• open-source

CPE 2.3info

• 🔒
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CPE 2.2info

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Submitinfo

Accepted

• Submit #883833: Zen Cart 2.2.2 SQL Injection (by cdhhsk)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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