full-disclosure - [FD] Stored XSS in "Message" Functionality

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Message-ID: <CAF2Wu1YA=fqz0cB5zQTrx2vB8ubnJ916nF=0nRaEsKSyg9yiDQ@mail.gmail.com>
Date: Wed, 23 Apr 2025 22:09:47 +0100
From: Andrey Stoykov <mwebsec@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Stored XSS in "Message" Functionality - AlegroCartv1.2.9

# Exploit Title: Stored XSS in "Message" Functionality - alegrocartv1.2.9
# Date: 04/2025
# Exploit Author: Andrey Stoykov
# Version: 1.2.9
# Tested on: Debian 12
# Blog: https://msecureltd.blogspot.com/

Stored XSS #1:

Steps to Reproduce:

1. Login as demonstrator account and visit "Customers" > "Newsletter"
2. In "Message" use the following XSS payload

<iframe srcdoc="<img src=x onerror=alert(document.domain)>"></iframe>
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