CVE-2025-59838: Monkeytype

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Monkeytype is a minimalistic and customizable typing test. In versions 25.36.0 and prior, improper handling of user input when loading a saved custom text results in XSS. This issue has been fixed in version 25.44.0.

Affected products

  • Monkeytype Monkeytype: up to and including 25.36.0

Published 2025-09-25. Last modified 2026-06-17.