CVE-2026-34530

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the SPA index page in File Browser is vulnerable to Stored Cross-Site Scripting (XSS) via admin-controlled branding fields. An admin who sets branding.name to a malicious payload injects persistent JavaScript that executes for ALL visitors, including unauthenticated users. This issue has been patched in version 2.62.2.

CVSS v3 6.9 MEDIUM

6.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.7 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/filebrowser/filebrowser/releases/tag/v2.62.2	Product Release Notes
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-xfqj-3vmx-63wv	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-01 21:17

Updated : 2026-06-17 10:39

NVD link : CVE-2026-34530

Mitre link : CVE-2026-34530

CVE.ORG link : CVE-2026-34530

JSON object : View

Products Affected

filebrowser

filebrowser

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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