CVE-2021-47778 - CVE House
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Status published High CVE-2021-47778

GetSimple CMS My SMTP Contact Plugin 1.1.2 - PHP Code Injection

Vulnerability Description

GetSimple CMS My SMTP Contact Plugin 1.1.2 contains a PHP code injection vulnerability. An authenticated administrator can inject arbitrary PHP code through plugin configuration parameters, leading to remote code execution on the server.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Bobby Cooke (boku)

References

Affected Vendor

Affected Software

My SMTP Contact Plugin
Vulnerable Versions:
1.1.2

Timeline

Official Publish: January 21st, 2026
Last Modified: July 15th, 2026
Added to House: July 21st, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-94

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1565.002 Stored Data Manipulation
Impact