Executive Summary

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]

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Impact Analysis

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]

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Mitigation Strategies

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]

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