Description
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.
References (3)
Core 3
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w
Patch x_refsource_misc
https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7
Release Notes x_refsource_misc
https://github.com/monkeytypegame/monkeytype/releases/tag/v25.44.0
Scores
CVSS v3
5.4
EPSS
0.0002
EPSS Percentile
6.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
monkeytype/monkeytype
< 25.36.0
Published
Sep 25, 2025
Tracked Since
Feb 18, 2026