CVE-2021-3944 Cross-Site Request Forgery (CSRF) in bookstackapp/bookstack
An attacker can trick authenticated users into performing unintended actions in BookStack, potentially modifying data or changing settings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-3944?
CVE-2021-3944 is a low-severity vulnerability in bookstackapp/bookstack, published on 2 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
bookstack is vulnerable to Cross-Site Request Forgery (CSRF)
Weakness: CWE-352
Which versions are affected by CVE-2021-3944?
2 open source packages ship an affected version, including ssddanbrown/bookstack. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ssddanbrown/bookstack Packagist | All versions | 21.11 |
ssddanbrown/bookstack Packagist | All versions | 21.11 |
Products include Bookstackapp Bookstack.
How do I fix CVE-2021-3944?
Upgrade ssddanbrown/bookstack to 21.11 or later.
Is CVE-2021-3944 being exploited?
There is no known exploitation of CVE-2021-3944 in the wild and no public exploit code.
Other vulnerabilities in bookstackapp/bookstack
- CVE-2020-5256 Remote Code Execution Through Image Uploads in BookStack
- CVE-2020-26210 Cross-Site Scripting in BookStack
- CVE-2020-26211 Cross-Site Scripting in BookStack
- CVE-2022-0877 Cross-site Scripting (XSS) - Stored in bookstackapp/bookstack
- CVE-2021-3915 Unrestricted Upload of File with Dangerous Type in bookstackapp/bookstack
Sources
Also known as GHSA-wc7v-77jr-5c3m.