CVE 7.1 HIGH

Monkeytype vulnerable to stored XSS in approve quotes page_CVE-2025-66563

7.1 / 10
HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Description

Monkeytype is a minimalistic and customizable typing test. In 25.49.0 and earlier, there is improper handling of user input which allows an attacker to execute malicious javascript on anyone viewing a malicious quote submission. quote.text and quote.source are user input, and they're inserted straight into the DOM. If they contain HTML tags, they will be rendered (after some escaping using quotes and textarea tags).

Basic Information

ID CVE-2025-66563
Source GitHub_M
Published Dec 4, 2025 at 22:34

Affected Product

Vendor monkeytypegame
Product monkeytype
Version <= 25.49.0
Affected Versions monkeytypegame monkeytype <= 25.49.0

CWE Classification

References

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