CVE-2022-40690 Cross-site scripting in BookStack
Remote authenticated attackers can inject arbitrary scripts into BookStack, potentially leading to code execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-40690?
CVE-2022-40690 is a medium-severity cross-site scripting vulnerability in BookStack, published on 24 Oct 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability in BookStack versions prior to v22.09 allows a remote authenticated attacker to inject an arbitrary script.
Weakness: CWE-79
Which versions are affected by CVE-2022-40690?
It affects 1 product.
Products include Bookstackapp Bookstack.
How do I fix CVE-2022-40690?
No fix has been published for CVE-2022-40690 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-40690 being exploited?
There is no known exploitation of CVE-2022-40690 in the wild and no public exploit code.
Other vulnerabilities in 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-fxr6-45h7-wgcx.