Medium severity · published Oct 24, 2022
CVE-2022-40690
Cross-site scripting vulnerability in BookStack versions prior to v22.09 allows a remote authenticated attacker to inject an arbitrary script
5.4
CVSS
0.9%
EPSS
No
On KEV
Description
Cross-site scripting vulnerability in BookStack versions prior to v22.09 allows a remote authenticated attacker to inject an arbitrary script.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BO
BookStack · BookStack
versions prior to v22.09 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-40690
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-40690
Release Notes
https://jvn.jp/en/jp/JVN78862034/index.html
Release Notes
https://www.bookstackapp.com/blog/bookstack-release-v22-09/
Vendor Advisory
https://www.bookstackapp.com/docs/admin/security/#using-bookstack-content-externally
More from BookStack
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BookStack Attachment Edit Endpoint AttachmentController.php getUpdateForm access control