Stored XSS in "Menu Editor" - htmlyv2.9.9

[Andrey Stoykov <mwebsec () gmail com>]

# Exploit Title: Stored XSS in "Menu Editor" - htmlyv2.9.9
# Date: 9/2024
# Exploit Author: Andrey Stoykov
# Version: 2.9.9
# Tested on: Ubuntu 22.04
# Blog:
https://msecureltd.blogspot.com/2024/09/friday-fun-pentest-series-10-stored-xss.html


Stored XSS #1:

Steps to Reproduce:

1. Login as admin
2. Browse to "Menu Editor"
3. In "Name" field add payload "><img src=x onerror=alert(1)>
4. In "Slug" field add payload "><img src=x onerror=alert(1)>
5. Click "Save Edit" > "Save Menu"
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