CVE-2020-27976

CRITICAL

osCommerce Phoenix CE < 1.0.5.4 - OS Command Injection via Admin Mail From Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-27976. PoCs published by k0rnh0li0.

AI-analyzed exploit summary This exploit leverages an authenticated command injection vulnerability in osCommerce Phoenix CE <=1.0.5.4 via the mail.php admin panel. It uploads a payload file to the target server by injecting commands into the sendmail -f option through the 'from' parameter.

Description

osCommerce Phoenix CE before 1.0.5.4 allows OS command injection remotely. Within admin/mail.php, a from POST parameter can be passed to the application. This affects the PHP mail function, and the sendmail -f option.

Exploits (1)

nomisec WORKING POC 5 stars
by k0rnh0li0 · poc
https://github.com/k0rnh0li0/CVE-2020-27976

This exploit leverages an authenticated command injection vulnerability in osCommerce Phoenix CE <=1.0.5.4 via the mail.php admin panel. It uploads a payload file to the target server by injecting commands into the sendmail -f option through the 'from' parameter.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: osCommerce Phoenix CE <=1.0.5.4
Auth required
Prerequisites: Valid admin credentials · Access to the admin panel · Payload file to upload
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://herolab.usd.de/security-advisories/usd-2020-0026/

Scores

CVSS v3 9.8
EPSS 0.0698
EPSS Percentile 93.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (1)
oscommerce/oscommerce < 1.0.5.4
Published Oct 28, 2020
Tracked Since Feb 18, 2026