CVE-2025-59838CWE-79cross-site-scripting

CVE-2025-59838

Medium · published September 25, 2025

CVSS v3.1
5.4
EPSS
0%
Percentile
17.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00263 · 17.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-09-25T19:16Z
Affected products (1)
ProductVersionsFixed in
monkeytype/monkeytype< 25.44.025.44.0
References (5)
https://github.com/monkeytypegame/monkeytype/commit/42f6a16c6255d66cbb2be279131454866d98f2c9 · [email protected]https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7 · [email protected]https://github.com/monkeytypegame/monkeytype/releases/tag/v25.44.0 · [email protected]https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w · [email protected]https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 25 SEP 14:52Z
    Monkeytype Vulnerable to Self-XSS on loading saved custom text
    cvelistv5