{"id":"CVE-2025-59838","title":"Monkeytype is a minimalistic and customizable typing test","summary":"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.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"monkeytype","product":"monkeytype","affected":["monkeytype <= 25.36.0"],"published":"2025-09-25","updated":"2026-10-11","sourceUpdated":"2026-10-11T20:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-59838","references":[{"url":"https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7","label":"security-advisories@github.com"},{"url":"https://github.com/monkeytypegame/monkeytype/releases/tag/v25.44.0","label":"security-advisories@github.com"},{"url":"https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w","label":"security-advisories@github.com"},{"url":"https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00231,"epssPercentile":0.12883,"ingestedAt":"2026-10-12T14:50:33.994Z","slug":"CVE-2025-59838","body":"## Overview\n\nMonkeytype 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.\n\n## Affected\n\n- `monkeytype <= 25.36.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}