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Description

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.

PUBLISHED Reserved 2026-03-30 | Published 2026-04-01 | Updated 2026-04-04 | Assigner GitHub_M




MEDIUM: 6.9CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 2.62.2
affected

References

github.com/...rowser/security/advisories/GHSA-xfqj-3vmx-63wv

github.com/filebrowser/filebrowser/releases/tag/v2.62.2

cve.org (CVE-2026-34530)

nvd.nist.gov (CVE-2026-34530)

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