Exploitation Summary
EIP tracks 2 public exploits for CVE-2021-47830. PoCs published by boku.
AI-analyzed exploit summary This exploit chains a CSRF vulnerability with a stored XSS vulnerability in the My SMTP Contact plugin for GetSimple CMS to achieve remote code execution. The XSS payload bypasses htmlspecialchars() using hex-escaped characters to inject a script that collects a CSRF token and uploads a webshell.
Description
GetSimple CMS My SMTP Contact Plugin 1.1.1 contains a cross-site request forgery (CSRF) vulnerability. Attackers can craft a malicious webpage that, when visited by an authenticated administrator, can change SMTP configuration settings in the plugin. This may allow unauthorized changes but does not directly enable remote code execution.
Exploits (2)
This exploit chains a CSRF vulnerability with a stored XSS vulnerability in the My SMTP Contact plugin for GetSimple CMS to achieve remote code execution. The XSS payload bypasses htmlspecialchars() using hex-escaped characters to inject a script that collects a CSRF token and uploads a webshell.
This exploit chains a CSRF vulnerability with PHP code injection in GetSimple CMS's My SMTP Contact plugin to achieve remote code execution. The PoC sets up a malicious server to deliver a CSRF payload that injects PHP code into the plugin's configuration, leading to RCE when an admin visits the site.
References (5)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N