CVE-2026-34529
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductFilebrowser
PublishedApr 1, 2026
First seenApr 1, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- filebrowser filebrowser2.62.2 or later
- github.com/filebrowser/filebrowser/v22.62.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| filebrowser filebrowser | v < 2.62.2 | 2.62.2 |
| github.com/filebrowser/filebrowser/v2Go | v < 2.62.2 | 2.62.2 |
| github.com/filebrowser/filebrowserGo | No range specified | — |
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