What’s Vulnerable › Vulnerabilities

CVE-2021-47778: GetSimple CMS My SMTP Contact Plugin 1.1.2 - PHP Code Injection

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-21 · updated 2026-06-17
• Weakness: CWE-94

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.

Affected products

• GetSimpleCMS: 1.1.2

References

• http://get-simple.info
• https://github.com/GetSimpleCMS/GetSimpleCMS
• https://github.com/boku7/gsSMTP-Csrf2Xss2RCE/
• https://www.exploit-db.com/exploits/49774
• https://www.vulncheck.com/advisories/getsimple-cms-my-smtp-contact-plugin-php-code-injection

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