Vulnerability DatabaseCVE-2021-3944
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CVE-2021-3944
Published:December 02, 2021
Updated:June 07, 2026
bookstack is vulnerable to Cross-Site Request Forgery (CSRF)
Affected Packages
ssddanbrown/bookstack (PHP):
Affected version(s) >=dev-release <v21.11
Fix Suggestion:
Update to version v21.11
Related Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2021-3944
https://huntr.dev/bounties/65551490-5ade-49aa-8b8d-274c2ca9fdc9
https://github.com/bookstackapp/bookstack
https://github.com/bookstackapp/bookstack/commit/88e6f93abf54192a69cc8080e0dc6516ee68ccbb
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CVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Cross-Site Request Forgery (CSRF)
CWE-352
EPSS
Base Score:
0.07