CVE-2026-34529

critical

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.

References

https://github.com/filebrowser/filebrowser/security/advisories/GHSA-5vpr-4fgw-f69h

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

Details

Source: Mitre, NVD

Published: 2026-04-01

Updated: 2026-04-06

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9

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

Severity: Critical

EPSS

EPSS: 0.00032