CVE-2020-27976

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-10-28 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

Os Commerce: before 1.0.5.4 — fixed in 1.0.5.4

How to fix

Upgrade to a fixed version: Os Commerce 1.0.5.4. Check the vendor advisory for mitigations.

References

https://herolab.usd.de/security-advisories/usd-2020-0026/
https://herolab.usd.de/security-advisories/usd-2020-0026/

Get alerted when CVE-2020-27976 or the next vulnerability affects your stack