Vulnerability CVE-2021-3906
Published: 2021-10-27   Modified: 2021-10-28

Description:
bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type

Type:

CWE-434

 (Unrestricted Upload of File with Dangerous Type)

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://github.com/bookstackapp/bookstack/commit/64937ab826b56d086af9ecea532510d37520ebc8
https://huntr.dev/bounties/f115bdf5-c06b-4627-a6fa-ba6904a43ba3
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