TI-2026-67700 Aliases CVE-2026-105226 GHSA-pwh4-88m7-gc6w

osCommerce2 Newsletter Management newsletters.php include code injection

MEDIUM 56CWE-74Published 2026-10-05 · Updated 2026-10-07

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
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-94.

Summary

A flaw in the include function of admin/newsletters.php in osCommerce2 Newsletter Management, in osCommerce2 up to 2.3.4.1, lets a remote attacker inject code by manipulating the module argument. The exploit is public and may be used in attacks. The CVSS 4.0 base score is 5.1 (MEDIUM), and CISA's SSVC assessment lists PoC exploitation, not automatable, with partial technical impact. The project was informed through an issue report but has not responded.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A security flaw has been discovered in osCommerce osCommerce2 up to 2.3.4.1. This vulnerability affects the function include of the file admin/newsletters.php of the component Newsletter Management. Performing a manipulation of the argument module results in code injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00248 16th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
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
Os Commerce	osCommerce2	2.3.4.0; 2.3.4.1	—	No fix listed	CNA

osCommerce2 VendorOs Commerce Affected 2.3.4.0; 2.3.4.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:oscommerce:oscommerce2::::::::	—	—	Os Commerce

cpe:2.3:a:oscommerce:oscommerce2:*:*:*:*:*:*:*:* Versions — — ·Os Commerce

Remediation

No fixed version is listed for osCommerce2 (affected: 2.3.4.0 and 2.3.4.1), and the project has not responded to the report. Restrict access to admin/newsletters.php until a fix is released.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-05 Threatist record created from CVE-2026-105226
2026-10-05 Alias added: GHSA-pwh4-88m7-gc6w
2026-10-07 CISA SSVC decision points changed
2026-10-07 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/osCommerce/oscommerce2/issues/676

Other 1

https://github.com/osCommerce/oscommerce2/

TI-2018-15340 osCommerce 2.3.4.1 Installer Unauthenticated Configuration File Injection PHP Code Execution CVSS 4.0CRITICAL 9.3
TI-2009-04916 osCommerce <= 2.2 Admin File Manager Arbitrary PHP Code Execution CVSS 4.0CRITICAL 9.3
TI-2019-15550 osCommerce 2.3.4.1 SQL Injection via currency Parameter CVSS 4.0HIGH 8.8
TI-2019-15549 osCommerce 2.3.4.1 SQL Injection via products_id Parameter CVSS 4.0HIGH 8.8
TI-2019-15548 osCommerce 2.3.4.1 SQL Injection via reviews_id Parameter CVSS 4.0HIGH 8.8
TI-2023-06030 osCommerce POST Parameter shopping-cart sql injection CVSS 3.1CRITICAL 9.8

See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences