CVE-2023-39612

Name: CVE-2023-39612
Creator: NVD / NIST
Published: 2023-09-16T01:15:07.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2023-39612 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.73%

49.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Filebrowser	Filebrowser	< 2.25.0

References

https://febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-takeover-in-filebrowser/Exploit, Third Party Advisory
https://github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173f30Patch
https://github.com/filebrowser/filebrowser/issues/2570Exploit, Issue Tracking
https://febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-takeover-in-filebrowser/Exploit, Third Party Advisory
https://github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173f30Patch
https://github.com/filebrowser/filebrowser/issues/2570Exploit, Issue Tracking

Timeline

Published: Sep 16, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is 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.

How severe is CVE-2023-39612?

CVE-2023-39612 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39612?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39612?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST