Vulnerability · Published Oct 27, 2021 · Assigned by @huntrdev

CVE-2021-3906Unrestricted Upload of File with Dangerous Type in bookstackapp/bookstack

Medium 5.4

In plain English

A medium-severity unrestricted file upload in bookstackapp/bookstack from bookstackapp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.0)5.4Medium
Exploit odds (30 days)0.7%top 47.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

Affected products (as reported)

VendorProductVersions
bookstackapp bookstackapp/bookstack unspecified – before 21.10.1

Weakness: CWE-434 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References