CVE-2009-20006: oscommerce
Vulnerability summary
CVE-2009-20006 is a critical (CVSS 9.3) vulnerability in oscommerce. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.5% of scored vulnerabilities. 4 public exploits are recorded.
Timeline
- 16-09-2025PublishedVulnerability first disclosed.
- 15-05-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.3CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
1.60%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
+0.38 pp
From 1.23% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
4 foundosCommerce Online Merchant 2.2 RC2a - Code Execution
Maturity: poc
osCommerce 2.2 - Arbitrary PHP Code Execution (Metasploit)
Maturity: poc
Exploit Reference (raw.githubusercontent.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Oscommerce1 product
- oscommerce≤ 2.2 RC2a
1 vendor · 1 product
References
5 links- www.oscommerce.comProduct
- www.vulncheck.com/advisories/oscommerce-arbitrary-php-code-executionThird Party Advisory