CVE-2021-47778
PHP Code Injection in GetSimple CMS My SMTP Plugin Enables RCE
Publication date: 2026-01-21
Last updated on: 2026-03-06
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| get-simple | getsimplecms | 1.1.2 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2021-47778 is a PHP code injection vulnerability in GetSimple CMS My SMTP Contact Plugin version 1.1.2. It allows an authenticated administrator to inject arbitrary PHP code through the plugin's configuration parameters. This injection can lead to remote code execution on the server, meaning the attacker can run malicious code remotely with high privileges. [1]
How can this vulnerability impact me? :
This vulnerability can have severe impacts including remote code execution on the server hosting the GetSimple CMS. An attacker with administrator access can execute arbitrary PHP code, potentially compromising the confidentiality, integrity, and availability of the system. This could lead to unauthorized data access, data modification, service disruption, or full system compromise. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, ensure that only trusted administrators have access to the plugin configuration parameters, as the vulnerability requires authenticated administrator privileges. Consider updating or patching the GetSimple CMS My SMTP Contact Plugin to a version that addresses this PHP code injection vulnerability. If no patch is available, disable or remove the vulnerable plugin to prevent exploitation. [1]