SQL injection in Zen Cart PayPal IPN handler
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.
Summary
Zen Cart up to 2.2.2 contains an SQL injection flaw in the zen_db_perform function of the PayPal IPN Handler in includes/modules/payment/paypaldp.php. Manipulating the txn_id argument lets a remote attacker inject SQL commands (CWE-89). The attack needs no privileges or user interaction. The exploit has been made public, and an exploit link is listed in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Zen Cart | 2.2.0; 2.2.1; 2.2.2 | — | No fix listed | CNA |
- Zen Cart Vendor— Affected 2.2.0; 2.2.1; 2.2.2 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Zen Cart. The source description suggests installing the patch named 557154f4fa025f51553094f47b06aa024220c48f.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-12 Threatist record created from CVE-2026-108826
- 2026-10-12 Alias added: GHSA-r88v-rcqx-2gj8
- 2026-10-13 Priority changed: MEDIUM → LOW
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: LOW → HIGH
References
Sources
- CVE-2026-108826 · CVE Program
- CVE-2026-108826 · NVD
- FIRST EPSS
- GHSA-r88v-rcqx-2gj8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences