CVE-2026-34529

PoC —

CVSS 3.1

9.0 critical

EPSS

<1%p25

Published

Apr 1, 2026 (Apr 1, 2026)

Modified

Jun 17, 2026

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 EPUB preview function in File Browser is vulnerable to Stored Cross-Site Scripting (XSS). JavaScript embedded in a crafted EPUB file executes in the victim's browser when they preview the file. This issue has been patched in version 2.62.2.

Vendors: filebrowser
Products: filebrowser
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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