Vulnerability · Published Oct 12, 2026 · Assigned by VulDB

CVE-2026-108826Zen Cart PayPal IPN paypaldp.php zen_db_perform sql injection

High 7.3

In plain English

A high-severity SQL injection in Zen Cart. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.3%top 81.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zen_db_perform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txn_id results in sql injection. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named 557154f4fa025f51553094f47b06aa024220c48f. It is suggested to install a patch to address this issue.

Affected products (as reported)

Vendor	Product	Versions
n/a	Zen Cart	2.2.02.2.12.2.2

Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

VDB-416602 | Zen Cart PayPal IPN paypaldp.php zen_db_perform sql injection vdb-entry, technical-description
VDB-416602 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-108826 | CVE Analysis and Report third-party-advisory
Submit #883833 | Zen Cart 2.2.2 SQL Injection third-party-advisory
https://cdkkx.github.io/posts/VE-0086.html exploit
https://github.com/zencart/zencart/commit/557154f4fa025f51553094f47b06aa024220c48f patch