HexBrain

Myndr · Report #824433

Reflected XSS in https://blocked.myndr.net

Validstatus
mediumseverity
46upvotes
19 Mar 2020disclosed

How it was found

Summary:

Reflected XSS in Domain (https://blocked.myndr.net)

Steps To Reproduce:

  1. Go to the https://blocked.myndr.net.
  2. Find the endpoint in the domain -https://blocked.myndr.net/?trg=1
  3. Add the payload ?trg="><script>alert(1)</script>
  4. You can see the pop up in your browser.

Impact

With the help of XSS, a hacker or attacker can perform social engineering on users by redirecting them from real websites to fake ones. the hacker can steal their cookies and download malware on their system, and there are many more attacking scenarios a skilled attacker can perform with XSS.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original