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Vulnerability record · CVE-2023-6199 · published 20 November 2023

CVE-2023-6199: Bookstackapp bookstack server-side request forgery (ssrf) vulnerability

Bookstackapp · Bookstack

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

6.5 CVSS 3.1 Medium EPSS 1.4% · top 29.0% CWE-918 · Server-side request forgery (SSRF)
6.5CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fluidattacks.com/advisories/imagination/ ExploitThird Party Advisory
https://www.bookstackapp.com/blog/bookstack-release-v23-10-3/ ProductRelease NotesVendor Advisory
https://fluidattacks.com/advisories/imagination/ ExploitThird Party Advisory
https://www.bookstackapp.com/blog/bookstack-release-v23-10-3/ ProductRelease NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-4119Bookstackapp bookstack improper access control vulnerabilitybookstack is vulnerable to Improper Access ControlEPSS 27%8.8CVE-2020-5256Bookstackapp bookstack unrestricted file upload vulnerabilityBookStack before version 0.25.5 has a vulnerability where a user could upload PHP files through image upload functions, which would allow them to exe…EPSS 2.0%8.7CVE-2020-26211Bookstackapp bookstack cross-site scripting vulnerabilityIn BookStack before version 0.30.4, a user with permissions to edit a page could insert JavaScript code through the use of `javascript:` URIs within …EPSS 1.1%8.7CVE-2020-26210Bookstackapp bookstack cross-site scripting vulnerabilityIn BookStack before version 0.30.4, a user with permissions to edit a page could add an attached link which would execute untrusted JavaScript code w…EPSS 1.2%6.8CVE-2021-3944Bookstackapp bookstack cross-site request forgery vulnerabilitybookstack is vulnerable to Cross-Site Request Forgery (CSRF)EPSS 0.64%6.5CVE-2021-4194Bookstackapp bookstack improper access control vulnerabilitybookstack is vulnerable to Improper Access ControlEPSS 0.71%6.5CVE-2021-3916Bookstackapp bookstack path traversal vulnerabilitybookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')EPSS 1.2%6.5CVE-2021-3906Bookstackapp bookstack unrestricted file upload vulnerabilitybookstack is vulnerable to Unrestricted Upload of File with Dangerous TypeEPSS 0.67%

Source: NIST National Vulnerability Database (record CVE-2023-6199), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.