CVE-2025-59838 LOW

CVE-2025-59838: Monkeytype Vulnerable to Self-XSS on loading saved custom text

Vendor Monkeytypegame
Product monkeytype
Weakness CWE-79 · XSS
Published September 25, 2025
Last update October 28, 2025

CVSS base score

2.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 25, 2025 CVE published
October 28, 2025 Record updated