XSS in Bookstack
CVE-2022-40690
Cross-site scripting vulnerability in BookStack versions prior to v22.09 allows a remote authenticated attacker to inject an arbitrary script.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (49.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Bookstack — versions versions prior to v22.09
- Bookstackapp Bookstack
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (Release Notes, Vendor Advisory)
- vultures@jpcert.or.jp (Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2022-40690?
- CVE-2022-40690 is a medium-severity vulnerability in Bookstack, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-10-24.
- How severe is CVE-2022-40690?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2022-40690 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.