CVE-2021-30140: Liquidfiles

Medium severity, CVSS 5.4. EPSS: 1.4% chance of exploitation in the next 30 days.

LiquidFiles 3.4.15 has stored XSS through the "send email" functionality when sending a file via email to an administrator. When a file has no extension and contains malicious HTML / JavaScript content (such as SVG with HTML content), the payload is executed upon a click. This is fixed in 3.5.

Affected products

• Liquidfiles Liquidfiles: version 3.4.15 only

Published 2021-04-06. Last modified 2026-06-17.