CVE-2026-34529

HIGH

File Browser is vulnerable to Stored Cross-site Scripting via crafted EPUB file

Title source: cna

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 (2)

Core 2

Core References

X_Refsource_Confirm x_refsource_confirm

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

X_Refsource_Misc x_refsource_misc

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

Scores

CVSS v3 7.6

EPSS 0.0032

EPSS Percentile 23.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

filebrowser/filebrowser < 2.62.2 (2 CPE variants)

filebrowser/filebrowser 0 - 2.62.2Go

Published Apr 01, 2026

Tracked Since Apr 02, 2026