CVE-2026-34530

MEDIUM

File Browser is vulnerable to Stored Cross-Site Scripting via text/template branding injection

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-34530 has a selected CVSS score of 6.9 (medium).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationPoC
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Apr 4, 2026 · Source: CVE List

Affected products and versions

2
ProductSourceVersion range

filebrowser

Browse filebrowser / filebrowser
CVE List< 2.62.2affected

github.com/filebrowser/filebrowser/v2

Browse Go / github.com/filebrowser/filebrowser/v2
GitHub AdvisoryBefore 2.62.2 · Fixed in 2.62.2affected

References

4