FileBrowser Vulnerable to Stored XSS via SVG File in Public Share (Missing CSP Header)

Severity: low · CVSS 3.1 · Published 2026-05-07

FileBrowser Vulnerable to Stored XSS via SVG File in Public Share (Missing CSP Header)

Technologies: github.com/gtsteffaniak/filebrowser (Go). Vendors: Go.

Quick answers

Is This vulnerability exploited in the wild?
No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.
How severe is This vulnerability?
Low severity, with a CVSS score of 3.1, published 7 May 2026.
Which products and versions are affected?
github.com/gtsteffaniak/filebrowser (Go) SEMVER:introduced=0,fixed=0.0.0-20260501184955-6bfc3974192e.
Is there a fix for This vulnerability?
Yes. github.com/gtsteffaniak/filebrowser (Go): upgrade to 0.0.0-20260501184955-6bfc3974192e or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected?
Check whether you run github.com/gtsteffaniak/filebrowser (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/gtsteffaniak/filebrowser (Go): upgrade to 0.0.0-20260501184955-6bfc3974192e or later
    go get github.com/gtsteffaniak/filebrowser@v0.0.0-20260501184955-6bfc3974192e

Affected products

  • github.com/gtsteffaniak/filebrowser (Go) SEMVER:introduced=0,fixed=0.0.0-20260501184955-6bfc3974192e

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.