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bookstackapp bookstack vulnerabilities, newest first

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  1. 2.3CVE-2026-125870

    BookStack before 26.09.3 contains a missing authorization vulnerability in ImageController::checkImagePermission() that allows authenticated non-admin users to bypass page-level content restrictions for images whose owning page has been mo…

  2. 5.3CVE-2026-126811

    BookStack before 26.09.3 contains an incorrect authorization vulnerability that allows authenticated users to access other users' unpublished draft page images by checking only PageView permission without draft status. Attackers can read d…

  3. 5.3CVE-2026-116020EPSS 0.2%

    BookStack before 26.09.2 contains an incorrect authorization vulnerability in AttachmentController that allows authenticated users to access other users' draft page attachments by ID. Attackers with attachment permissions can enumerate seq…

  4. 9.1CVE-2026-89022EPSS 0.5%

    BookStack before 26.05.5 contains an authentication bypass vulnerability in its social login implementation that allows unauthenticated attackers to sign in as arbitrary users by authenticating through a different social provider sharing t…

  5. 9.3CVE-2026-84695EPSS 0.5%

    BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG…

  6. 8.7CVE-2026-82450EPSS 1.0%

    BookStack before 26.05.4 contains a remote code execution vulnerability in the portable ZIP import functionality that allows users with Import Content and Create Books permissions to upload a PHP polyglot file as a book cover. Attackers ca…

  7. 5.3CVE-2026-67204EPSS 0.4%

    BookStack before 26.05.4 contains a broken access control vulnerability that allows authenticated API users with image-update or image-delete permissions to manipulate other users' avatars by exploiting missing content-type restrictions in…

  8. 5.5CVE-2026-5484EPSS 0.3%

    A weakness has been identified in BookStackApp BookStack up to 26.03. Affected is the function chapterToMarkdown of the file app/Exports/ExportFormatter.php of the component Chapter Export Handler. Executing a manipulation of the argument …

  9. 6.5CVE-2023-6199EPSS 1.4%

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

  10. 2.4CVE-2023-4624EPSS 0.6%

    Server-Side Request Forgery (SSRF) in GitHub repository bookstackapp/bookstack prior to v23.08.

  11. 5.4CVE-2022-40690EPSS 0.9%

    Cross-site scripting vulnerability in BookStack versions prior to v22.09 allows a remote authenticated attacker to inject an arbitrary script.

  12. 5.4CVE-2022-0877EPSS 0.8%

    Cross-site Scripting (XSS) - Stored in GitHub repository bookstackapp/bookstack prior to v22.02.3.

  13. 6.5CVE-2021-4194EPSS 0.7%

    bookstack is vulnerable to Improper Access Control

  14. 9.8CVE-2021-4119EPSS 27%

    bookstack is vulnerable to Improper Access Control

  15. 6.8CVE-2021-3944EPSS 0.6%

    bookstack is vulnerable to Cross-Site Request Forgery (CSRF)

  16. 4.3CVE-2021-4026EPSS 0.9%

    bookstack is vulnerable to Improper Access Control

  17. 5.7CVE-2021-3915EPSS 1.0%

    bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

  18. 6.5CVE-2021-3916EPSS 1.2%

    bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

  19. 6.5CVE-2021-3906EPSS 0.7%

    bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

  20. 6.5CVE-2021-3874EPSS 1.2%

    bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

  21. 5.4CVE-2021-3768EPSS 0.6%

    bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

  22. 5.4CVE-2021-3767EPSS 0.6%

    bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

  23. 6.5CVE-2021-3758EPSS 0.8%

    bookstack is vulnerable to Server-Side Request Forgery (SSRF)

  24. 6.4CVE-2020-26260EPSS 0.8%

    BookStack 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 could set certain image URL's to manipulate functionality in the exporting system,…

  25. 8.7CVE-2020-26211EPSS 1.1%

    In 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 form which would run, within the context of the current page, when clicked or su…

  26. 8.7CVE-2020-26210EPSS 1.2%

    In 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 clicked by a viewer of the page. Dangerous content may remain in the database after th…

  27. 5.4CVE-2020-11055EPSS 0.8%

    In 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 could POST HTML directly to the system to be saved in a comment, which would th…

  28. 8.8CVE-2020-5256EPSS 2.0%

    BookStack 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 on the host system remotely. They would then have the permissions of the PHP pro…

  29. 5.4CVE-2017-1000462EPSS 0.8%

    BookStack 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 of javascript code.