Advisory Published

CVE-2023-6199: Book Stack v23.10.2 - LFR via Blind SSRF

First published: Mon Nov 20 2023(Updated: )

Book Stack version 23.10.2 allows filtering local files on the server. This is possible because the application is vulnerable to SSRF.

Credit: help@fluidattacks.com

Affected SoftwareAffected VersionHow to fix
Bookstackapp Book Stack=23.10.2

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Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2023-6199.

  • What is the severity of CVE-2023-6199?

    The severity of CVE-2023-6199 is high.

  • What is the affected software?

    The affected software is Book Stack version 23.10.2.

  • What is the cause of this vulnerability?

    The vulnerability is caused by filtering local files on the server, which is possible due to the application being vulnerable to SSRF (Server-Side Request Forgery).

  • Are there any patches available to fix this vulnerability?

    Yes, patches are available to fix this vulnerability. It is recommended to update to Book Stack version 23.10.3 or newer to mitigate the risk.


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