HexBrain

Paragon Initiative Enterprises · Report #226203

Cross-site-Scripting

Validstatus
lowseverity
4upvotes
5 May 2017disclosed

How it was found

step: 1: goto https://bridge.cspr.ng/my/account of your account 2. in "Custom Profile field option" check the box and enter xss payload in "display name" field payload: "p<script>alert('xss')</script>" 3. update the information 4. open the account in INTERNET EXPLORER 11 and xss will executed

note: here server is not sanitize the user input properly, payload will not work in firefox,chrome browser due to "content-security-policy" But internet explorer does not Support "Content-Security-Policy" so xss will execut

this is stored xss and the display name will visible to everywhere, so its possible to account takeover of ther user

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