HexBrain

Automattic · Report #1554888

Site information's Display Name section vulnerable for XSS attacks and HTML Injections.

Validstatus
lowseverity
11upvotes
16 May 2022disclosed

How it was found

Summary:

Hi,

Greetings. I have found that site information's Display Name section on the try.pressable.com is vulnerable for potential XSS attacks and HTML Injections.

Steps To Reproduce:

  1. Visit https://try.pressable.com
  2. Create a new site.
  3. On the Display Name section, put the XSS / HTML Injection payloads.
  4. XSS will be triggered/ Injected HTML will be reflected.

XSS Payload: "><img src=x onerror=javascript:alert(document.cookie)>

HTML Payload:

<form action="/action_page.php"> <label for="fname">First name:</label> <input type="text" id="fname" name="fname"><br><br> <label for="lname">Last name:</label> <input type="text" id="lname" name="lname"><br><br> <input type="submit" value="Submit"> </form>

Supporting Material/References:

POC Video attached

Impact

Due to these vulnerabilities, attacker can easily divert victims to their malicious site and able to get credentials of victims.

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