CVE-2020-27976
osCommerce Phoenix CE before 1.0.5.4 allows OS command injection remotely. Within admin/mail.php,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-27976- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-27976- Updated
- 2026-11-02
EUVDEUVD-2020-20468 No score
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.
- Record
EUVD-2020-20468- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cqj9-3648-xf2m No score
osCommerce Phoenix CE before 1.0.5.4 allows OS command injection remotely. Within admin/mail.php,...
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.
- Record
GHSA-cqj9-3648-xf2m- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | k0rnh0li0/CVE-2020-27976 | 2020-10-30 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27976 is a critical vulnerability (CVSS 9.8) in Oscommerce, published October 28, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.17%, the 94th percentile. No source names a fixed version.