Bookstackapp Bookstack

22 CVEs affecting Bookstackapp Bookstack. Latest disclosed: 2026-04-03. Critical: 1, High: 3.

Top CVEs affecting Bookstackapp Bookstack
CVESeverityScorePublishedSummary
CVE-2021-4119Critical9.82021-12-15bookstack is vulnerable to Improper Access Control
CVE-2020-5256High7.92020-03-09BookStack before version 0.25.5 has a vulnerability where a user could upload PHP files through image upload functions, which would allow them to execute code…
CVE-2020-26211High7.72020-11-03In 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 a link or…
CVE-2020-26210High7.72020-11-03In 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 when clicke…
CVE-2021-3944Medium6.82021-12-02bookstack is vulnerable to Cross-Site Request Forgery (CSRF)
CVE-2023-6199Medium6.52023-11-20Book Stack version 23.10.2 allows filtering local files on the server. This is possible because the application is vulnerable to SSRF.
CVE-2021-4194Medium6.52022-01-06bookstack is vulnerable to Improper Access Control
CVE-2021-3916Medium6.52021-11-05bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2021-3906Medium6.52021-10-27bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type
CVE-2021-3874Medium6.52021-10-15bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2021-3758Medium6.52021-09-02bookstack is vulnerable to Server-Side Request Forgery (SSRF)
CVE-2020-26260Medium6.42020-12-09BookStack is a platform for storing and organising information and documentation. In BookStack before version 0.30.5, a user with permissions to edit a page co…
CVE-2020-11055Medium6.32020-05-07In BookStack greater than or equal to 0.18.0 and less than 0.29.2, there is an XSS vulnerability in comment creation. A user with permission to create comments…
CVE-2021-3915Medium5.72021-11-13bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type
CVE-2022-40690Medium5.42022-10-24Cross-site scripting vulnerability in BookStack versions prior to v22.09 allows a remote authenticated attacker to inject an arbitrary script.
CVE-2022-0877Medium5.42022-03-08Cross-site Scripting (XSS) - Stored in GitHub repository bookstackapp/bookstack prior to v22.02.3.
CVE-2021-3768Medium5.42021-09-06bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-3767Medium5.42021-09-06bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2017-1000462Medium5.42018-01-03BookStack version 0.18.4 is vulnerable to stored cross-site scripting, within the page creation page, which can result in disruption of service and execution o…
CVE-2026-5484Medium5.32026-04-03A weakness has been identified in BookStackApp BookStack up to 26.03. Affected is the function chapterToMarkdown of the file app/Exports/ExportFormatter.php of…