MEDIUM · 5.4

CVE-2021-3767

bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Vulnerability Description

bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
BookstackappBookstack< 21.08.2

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-3767?

CVE-2021-3767 is a vulnerability with a CVSS score of 5.4 (MEDIUM). bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

How severe is CVE-2021-3767?

CVE-2021-3767 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3767?

Check the references section above for vendor advisories and patch information. Affected products include: Bookstackapp Bookstack.