CVE-2025-59838 - CVE House

Status published Low CVE-2025-59838

Monkeytype Vulnerable to Self-XSS on loading saved custom text

2.4 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from monkeytypegame

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CVE-2025-66563

Monkeytype vulnerable to stored XSS in approve quotes page

High 7.1

CVE-2024-41127

Monkeytype is vulnerable to Poisoned Pipeline Execution through Code Injection in its `ci-failure-comment.yml` GitHub Workflow, enabling attackers to gain `pull-requests` write access.

High 8.4

Affected Vendor

monkeytypegame

View all reports →

Affected Software

monkeytype

Vulnerable Versions:

< 25.44.0

Timeline

Official Publish: September 25th, 2025

Last Modified: October 28th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

Initial Access

T1059.007 JavaScript

Execution

T1539 Steal Web Session Cookie

Collection

T1213 Data from Information Repositories