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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Bookstack — versions versions prior to v22.09
- Bookstackapp Bookstack
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.bookstackapp.com/blog/bookstack-release-v22-09/ (Release Notes, Vendor Advisory)
- www.bookstackapp.com/docs/admin/security/ (Vendor Advisory)
- jvn.jp/en/jp/JVN78862034/index.html (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.