CVE-2021-3906
MEDIUM severity · CVSS 6.5 · Unrestricted file upload
6.5CVSS MEDIUM
Summary
bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/bookstackapp/bookstack/commit/64937ab826b56d086af9ecea532510d37520ebc8 ↗