CVE-2026-34529

HIGH

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

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-34529 has a selected CVSS score of 7.6 (high).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationPoC
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Apr 2, 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