No CSRF Validation

Module: droppy

Published: March 28th, 2016

Reported by: Craig Arendt



Vulnerable: <3.5.0
Patched: >=3.5.0


Droppy versions <=3.4.0 does not perform any verification for cross-domain websocket requests. An attacker is able to make a specially crafted page that can send requests as the context of the currently logged in user. For example this means the malicious user could add a new admin account under his control and delete others.


Upgrade to droppy version 3.5.0 or greater.

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