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Vulnerability record · CVE-2023-39612 · published 16 September 2023

CVE-2023-39612: Filebrowser cross-site scripting vulnerability

Filebrowser · Filebrowser

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.

9.0 CVSS 3.1 Critical EPSS 0.88% · top 42.6% CWE-79 · Cross-site scripting
9.0CVSS 3.1 base score
0.88%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-takeover-in-filebrowser/ ExploitThird Party Advisory
https://github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173f30 Patch
https://github.com/filebrowser/filebrowser/issues/2570 ExploitIssue Tracking
https://febin0x4e4a.wordpress.com/2023/09/15/xss-in-filebrowser-leads-to-admin-account-takeover-in-filebrowser/ ExploitThird Party Advisory
https://github.com/filebrowser/filebrowser/commit/b508ac3d4f7f0f75d6b49c99bdc661a6d2173f30 Patch
https://github.com/filebrowser/filebrowser/issues/2570 ExploitIssue Tracking

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-32760Filebrowser improper privilege management vulnerabilityFile Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. In versions …EPSS 0.69%9.8CVE-2026-34528Filebrowser improper privilege management vulnerabilityFile Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to ver…EPSS 0.66%9.0CVE-2026-34529Filebrowser cross-site scripting vulnerabilityFile Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to ver…EPSS 0.39%8.8CVE-2026-35607Filebrowser improper privilege management vulnerabilityFile Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.6…EPSS 0.56%8.8CVE-2021-46398Filebrowser cross-site request forgery vulnerabilityA Cross-Site Request Forgery vulnerability exists in Filebrowser < 2.18.0 that allows attackers to create a backdoor user with admin privilege and ge…EPSS 6.7%8.2CVE-2026-35604Filebrowser incorrect authorization vulnerabilityFile Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.6…EPSS 0.43%8.1CVE-2026-29188Filebrowser improper access control vulnerabilityFile Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Pr…EPSS 0.59%8.1CVE-2026-25890Filebrowser incorrect authorization vulnerabilityFile Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Pr…EPSS 0.55%

Source: NIST National Vulnerability Database (record CVE-2023-39612), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.