GetSimple CMS My SMTP Contact Plugin 1.1.2 - PHP कोड इंजेक्शन (PHP Code Injection)

The impact of CVE-2021-47778 is severe. Successful exploitation allows an authenticated administrator to execute arbitrary PHP code on the server hosting the GetSimple CMS instance. This could lead to complete system compromise, including data theft, modification, or deletion. An attacker could install malware, create backdoors, or pivot to other systems on the network. The ability to inject code directly into the server's execution path makes this a high-risk vulnerability, potentially enabling a wide range of malicious activities.

Websites and applications utilizing GetSimple CMS with the My SMTP Contact Plugin versions 1.1.2–1.1.2 are at risk. This includes organizations that rely on GetSimple CMS for contact forms or email management and have not implemented robust security measures to restrict administrator access or validate plugin input.

• wordpress / composer / npm: Use grep to search plugin files for suspicious PHP code or configuration parameters that could be exploited.

grep -r 'system(' /path/to/plugin/

• generic web: Monitor access logs for unusual requests targeting plugin configuration endpoints. Look for POST requests with potentially malicious data in the request body. • generic web: Check response headers for unexpected content or error messages that might indicate code execution. • generic web: Examine server error logs for PHP errors related to the plugin, which could signal an attempted injection.

1. 2026-01-21Disclosure

   disclosure

1. आरक्षित2026-01-14
2. प्रकाशित2026-01-21
3. संशोधित2026-04-07
4. EPSS अद्यतन2026-03-23

Given the lack of a currently available patch, immediate mitigation steps are crucial. Restrict administrator access to the plugin configuration as much as possible. Implement strict input validation on all plugin configuration parameters to prevent malicious code injection. Consider temporarily disabling the plugin if feasible. Web application firewalls (WAFs) configured to detect and block PHP code injection attempts can provide an additional layer of defense. Monitor server logs for suspicious activity, particularly attempts to access or modify plugin configuration files.