Vulnerability CVE-2021-3916
Published: 2021-11-05

Description:
bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Bookstackapp -> Bookstack 

 References:
https://huntr.dev/bounties/0be32e6b-7c48-43f0-9cec-433000ad8f64
https://github.com/bookstackapp/bookstack/commit/43830a372fc51a8793199d04a34c3f4ebdfccc7b
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