CVE-2025-59838

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 patched via commit f025b12.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7	Patch
https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w	Exploit Vendor Advisory
https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:monkeytype:monkeytype:*:*:*:*:*:*:*:*

History

03 Oct 2025, 17:54

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4
CPE		cpe:2.3:a:monkeytype:monkeytype::::::::
First Time		Monkeytype monkeytype Monkeytype
References	~~() https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7 -~~	() https://github.com/monkeytypegame/monkeytype/commit/f025b121cbe437e29de432b4aa72e0de22c755b7 - Patch
References	~~() https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w -~~	() https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w - Exploit, Vendor Advisory

25 Sep 2025, 16:15

Type	Values Removed	Values Added
References	~~() https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w -~~	() https://github.com/monkeytypegame/monkeytype/security/advisories/GHSA-j4xx-fww5-774w -

25 Sep 2025, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-09-25 15:16

Updated : 2025-10-03 17:54

NVD link : CVE-2025-59838

Mitre link : CVE-2025-59838

CVE.ORG link : CVE-2025-59838

JSON object : View

Products Affected

monkeytype

monkeytype

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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