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

MEDIO 6.8CVE-2021-3944 · GHSA-wc7v-77jr-5c3m · Published 02/12/2021 · updated 17/06/2026

En resumen

CVE-2021-3944 es una vulnerabilidad MEDIO (CVSS 6.8) que afecta a ssddanbrown/bookstack, bookstack (bookstackapp).
Probabilidad de explotación en los próximos 30 días (EPSS): 0.64%, mayor que el 50.8% de las vulnerabilidades.
Solución: actualizar a 21.11 o posterior.

Package	Affected versions	Patched versions
ssddanbrown/bookstack Packagist	`< 21.11`	`21.11`
bookstack bookstackapp	`< 21.11`	`21.11`

NVD description

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

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

< 21.11

21.11

< 21.11

21.11

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