CVE-2026-34530: Filebrowser

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Filebrowser Filebrowser: before 2.62.2 (fixed in 2.62.2)

Published 2026-04-01. Last modified 2026-06-17.