CVE-2026-30579

Medium

Description

File Thingie 2.5.7 is vulnerable to Cross Site Scripting (XSS). A malicious user can leverage the "upload file" functionality to upload a file with a crafted file name used to trigger a Javascript payload.

SeverityMedium
CVSS6.5
Exploit probability—
ProductLeefish File Thingie
PublishedMar 20, 2026
First seenMar 20, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
leefish file_thingie2.5.7—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-30579 · Leefish File Thingie · Dark Radar