CVE-2026-34530

MEDIUM EPSS 27.5%
Published Apr 1, 20262mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 3.1
Medium
Find Similar
Published Apr 1, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.9
Exploitability
1.7
Impact
4.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction Required
Scope Changed
Confidentiality High
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
27.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
filebrowserfilebrowser* <2.62.2

References 2

  • github.com https://github.com/filebrowser/filebrowser/releases/tag/v2.62.2
    ProductRelease Notes
  • github.com https://github.com/filebrowser/filebrowser/security/advisories/GHSA-xfqj-3vmx-63wv
    ExploitVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.