CVE-2025-59838
Monkeytype Vulnerable to Self-XSS on loading saved custom text
- State
- Published
- Severity
- 2.4 Low
- Published
- Sep 25, 2025
- Updated
- Oct 13, 2026
- Reserved
- Sep 22, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.4 Low | 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 | GitHub_M |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
monkeytypemonkeytypegame |
|
References
- https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w
- https://github.com/monkeytypegame/monkeytype/commit/42f6a16c6255d66cbb2be279131454866d98f2c9
- https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7
- https://github.com/monkeytypegame/monkeytype/releases/tag/v25.44.0
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