Bookstackapp

Bookstack

27 Schwachstellen gefunden.

Hinweis: Diese Liste kann unvollständig sein. Daten werden ohne Gewähr im Ursprungsformat bereitgestellt.
9.1

CVE-2026-89022

  • EPSS 0.29%
  • Veröffentlicht 15.09.2026 16:11:56
  • Zuletzt bearbeitet 16.09.2026 19:47:01

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 the same dri...

9.3

CVE-2026-84695

  • EPSS 0.26%
  • Veröffentlicht 02.09.2026 00:37:51
  • Zuletzt bearbeitet 08.09.2026 20:18:59

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 files cont...

8.8

CVE-2026-82450

  • EPSS 0.57%
  • Veröffentlicht 29.08.2026 13:47:53
  • Zuletzt bearbeitet 31.08.2026 20:56:08

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 can bypass im...

5.4

CVE-2026-67204

  • EPSS 0.24%
  • Veröffentlicht 24.08.2026 15:33:13
  • Zuletzt bearbeitet 24.09.2026 20:43:32

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 the Image ...

5.5

CVE-2026-5484

Exploit
  • EPSS 0.32%
  • Veröffentlicht 03.04.2026 19:45:12
  • Zuletzt bearbeitet 20.07.2026 20:10:00

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 pages can l...

7.5

CVE-2024-36676

  • EPSS 0.65%
  • Veröffentlicht 09.07.2024 22:15:02
  • Zuletzt bearbeitet 15.04.2026 00:35:42

Incorrect access control in BookStack before v24.05.1 allows attackers to confirm existing system users and perform targeted notification email DoS via public facing forms.

6.5

CVE-2023-6199

Exploit
  • EPSS 1.38%
  • Veröffentlicht 20.11.2023 23:15:06
  • Zuletzt bearbeitet 19.05.2025 14:15:21

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

2.4

CVE-2023-4624

Exploit
  • EPSS 0.53%
  • Veröffentlicht 30.08.2023 13:15:15
  • Zuletzt bearbeitet 21.11.2024 08:35:33

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

5.4

CVE-2022-40690

  • EPSS 0.71%
  • Veröffentlicht 24.10.2022 14:15:52
  • Zuletzt bearbeitet 07.05.2025 15:15:54

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

5.4

CVE-2022-0877

Exploit
  • EPSS 0.78%
  • Veröffentlicht 08.03.2022 13:15:08
  • Zuletzt bearbeitet 21.11.2024 06:39:34

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