CVE-2021-3906: Malicious File Upload
First published: Wed Oct 27 2021(Updated: )
bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type
Credit: security@huntr.dev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bookstackapp Bookstack | <21.10.1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID for this issue is CVE-2021-3906.
What is the severity of CVE-2021-3906?
The severity of CVE-2021-3906 is medium with a severity value of 6.5.
What is the description of CVE-2021-3906?
CVE-2021-3906 is a vulnerability in bookstack that allows unrestricted upload of files with dangerous types.
What version of bookstack is affected by CVE-2021-3906?
Bookstack version up to exclusive 21.10.1 is affected by CVE-2021-3906.
How can I fix CVE-2021-3906?
To fix CVE-2021-3906, update bookstack to a version beyond 21.10.1 and ensure that uploads are restricted to safe file types.
- collector/nvd-index
- vendor/bookstackapp
- canonical/bookstackapp bookstack