Provide references for CVE-2021-3901.
Where can I find more information about CVE-2021-3901?
References are available at: https://huntr.dev/bounties/62508fdc-c26b-4312-bf75-fd3a3f997464, https://github.com/firefly-iii/firefly-iii/commit/b42d8d1e305cad70d9b83b33cd8e0d7a4b2060c2.