CVE-2009-20006 CRITICAL

CVE-2009-20006: osCommerce <= 2.2 Admin File Manager Arbitrary PHP Code Execution

Vendor Oscommerce

Product osCommerce

Weakness CWE-434 · Unrestricted file upload

Published September 16, 2025

Last update May 15, 2026

View on NVD All CVEs

CVSS base score

9.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

osCommerce versions up to and including 2.2 RC2a contain a vulnerability in its administrative file manager utility (admin/file_manager.php). The interface allows file uploads and edits without sufficient input validation or access control. An unauthenticated attacker can craft a POST request to upload a .php file containing arbitrary code, which is then executed by the server.

Key dates

02Disclosure timeline

September 16, 2025 CVE published

May 15, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2009-20006 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/434.html

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04Related CVE

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