CVE-2021-3906

medium

Description

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

References

https://huntr.dev/bounties/f115bdf5-c06b-4627-a6fa-ba6904a43ba3

https://github.com/bookstackapp/bookstack/commit/64937ab826b56d086af9ecea532510d37520ebc8

Details

Source: Mitre, NVD

Published: 2021-10-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00217