# ssddanbrown/bookstack (Packagist) vulnerabilities Source: https://junglewise.ai/threats/technologies/ssddanbrown-bookstack Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/ssddanbrown-bookstack.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 10 vulnerabilities in ssddanbrown/bookstack (Packagist): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2024-36676, was published on 10 July 2024. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 10 (0 critical, 0 exploited in the wild) ## About ssddanbrown/bookstack (Packagist) PHP documentation wiki platform with user permissions and collaborative editing. ## Latest ssddanbrown/bookstack (Packagist) vulnerabilities - [CVE-2024-36676: BookStack Incorrect Access Control vulnerability](https://junglewise.ai/threats/cve-2024-36676-bookstack-incorrect-access-control-vulnerability) (low, CVSS 3.1, published 10 Jul 2024) - [CVE-2020-26211: Bookstack Cross-site Scripting vulnerability](https://junglewise.ai/threats/cve-2020-26211-bookstack-cross-site-scripting-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2022-0877: Cross-site Scripting in BookStack](https://junglewise.ai/threats/cve-2022-0877-cross-site-scripting-in-bookstack) (low, CVSS 3.1, published 9 Mar 2022) - [CVE-2021-4194: bookstack is vulnerable to Improper Access Control](https://junglewise.ai/threats/cve-2021-4194-bookstack-is-vulnerable-to-improper-access-control) (low, CVSS 3, published 8 Jan 2022) - [CVE-2021-4119: BookStack is vulnerable to Improper Access Control.](https://junglewise.ai/threats/cve-2021-4119-bookstack-is-vulnerable-to-improper-access-control) (low, CVSS 3, published 16 Dec 2021) - [CVE-2021-3944: bookstack is vulnerable to Cross-Site Request Forgery (CSRF)](https://junglewise.ai/threats/cve-2021-3944-bookstack-is-vulnerable-to-cross-site-request-forgery-csrf) (low, CVSS 3, published 3 Dec 2021) - [CVE-2021-4026: bookstack is vulnerable to Improper Access Control](https://junglewise.ai/threats/cve-2021-4026-bookstack-is-vulnerable-to-improper-access-control) (low, CVSS 3.1, published 1 Dec 2021) - [CVE-2021-3915: bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type](https://junglewise.ai/threats/cve-2021-3915-bookstack-is-vulnerable-to-unrestricted-upload-of-file-with) (low, CVSS 3, published 15 Nov 2021) - [CVE-2020-11055: Cross-Site Scripting in BookStack](https://junglewise.ai/threats/cve-2020-11055-cross-site-scripting-in-bookstack) (low, CVSS 3.1, published 7 May 2020) - [CVE-2020-5256: Remote Code Execution Through Image Uploads in BookStack](https://junglewise.ai/threats/cve-2020-5256-remote-code-execution-through-image-uploads-in-bookstack) (low, CVSS 3.1, published 13 Mar 2020) ## Most severe ssddanbrown/bookstack (Packagist) vulnerabilities - [CVE-2020-5256: Remote Code Execution Through Image Uploads in BookStack](https://junglewise.ai/threats/cve-2020-5256-remote-code-execution-through-image-uploads-in-bookstack) (low, CVSS 3.1, published 13 Mar 2020) - [CVE-2020-26211: Bookstack Cross-site Scripting vulnerability](https://junglewise.ai/threats/cve-2020-26211-bookstack-cross-site-scripting-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2021-4026: bookstack is vulnerable to Improper Access Control](https://junglewise.ai/threats/cve-2021-4026-bookstack-is-vulnerable-to-improper-access-control) (low, CVSS 3.1, published 1 Dec 2021) - [CVE-2022-0877: Cross-site Scripting in BookStack](https://junglewise.ai/threats/cve-2022-0877-cross-site-scripting-in-bookstack) (low, CVSS 3.1, published 9 Mar 2022) - [CVE-2020-11055: Cross-Site Scripting in BookStack](https://junglewise.ai/threats/cve-2020-11055-cross-site-scripting-in-bookstack) (low, CVSS 3.1, published 7 May 2020) - [CVE-2024-36676: BookStack Incorrect Access Control vulnerability](https://junglewise.ai/threats/cve-2024-36676-bookstack-incorrect-access-control-vulnerability) (low, CVSS 3.1, published 10 Jul 2024) - [CVE-2021-4119: BookStack is vulnerable to Improper Access Control.](https://junglewise.ai/threats/cve-2021-4119-bookstack-is-vulnerable-to-improper-access-control) (low, CVSS 3, published 16 Dec 2021) - [CVE-2021-3915: bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type](https://junglewise.ai/threats/cve-2021-3915-bookstack-is-vulnerable-to-unrestricted-upload-of-file-with) (low, CVSS 3, published 15 Nov 2021) - [CVE-2021-4194: bookstack is vulnerable to Improper Access Control](https://junglewise.ai/threats/cve-2021-4194-bookstack-is-vulnerable-to-improper-access-control) (low, CVSS 3, published 8 Jan 2022) - [CVE-2021-3944: bookstack is vulnerable to Cross-Site Request Forgery (CSRF)](https://junglewise.ai/threats/cve-2021-3944-bookstack-is-vulnerable-to-cross-site-request-forgery-csrf) (low, CVSS 3, published 3 Dec 2021) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Packagist technologies - [moodle/moodle (Packagist)](https://junglewise.ai/threats/technologies/moodle-moodle): 434 vulnerabilities - [magento/community-edition (Packagist)](https://junglewise.ai/threats/technologies/packagist-magento-community-edition): 362 vulnerabilities - [typo3/cms (Packagist)](https://junglewise.ai/threats/technologies/packagist-typo3-cms): 187 vulnerabilities - [wwbn/avideo (Packagist)](https://junglewise.ai/threats/technologies/wwbn-avideo): 164 vulnerabilities - [magento/project-community-edition (Packagist)](https://junglewise.ai/threats/technologies/magento-project-community-edition): 161 vulnerabilities - [drupal/core (Packagist)](https://junglewise.ai/threats/technologies/packagist-drupal-core): 150 vulnerabilities - [pimcore/pimcore (Packagist)](https://junglewise.ai/threats/technologies/pimcore-pimcore): 145 vulnerabilities - [craftcms/cms (Packagist)](https://junglewise.ai/threats/technologies/craftcms-cms): 143 vulnerabilities - [dolibarr/dolibarr (Packagist)](https://junglewise.ai/threats/technologies/dolibarr-dolibarr): 127 vulnerabilities - [getgrav/grav (Packagist)](https://junglewise.ai/threats/technologies/getgrav-grav): 127 vulnerabilities - [typo3/cms-core (Packagist)](https://junglewise.ai/threats/technologies/typo3-cms-core): 127 vulnerabilities - [concrete5/concrete5 (Packagist)](https://junglewise.ai/threats/technologies/concrete5-concrete5): 122 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "ssddanbrown/bookstack (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/ssddanbrown-bookstack, 9 November 2026.