XSS in Filebrowser
CVE-2023-39612
A cross-site scripting (XSS) vulnerability in FileBrowser before v2.23.0 allows an authenticated attacker to escalate privileges to Administrator via user interaction with a crafted HTML file or URL.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% 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: 0.009 · change: +0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/filebrowser/filebrowser/issues/2570 (Exploit, Issue Tracking)
- github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173… (Patch)
- febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-39612?
- CVE-2023-39612 is a critical-severity vulnerability in Filebrowser, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-09-16.
- How severe is CVE-2023-39612?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2023-39612 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.