monkeytypegame monkeytype up to 25.49.0 quote.text/quote.source cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in monkeytypegame monkeytype up to 25.49.0. Affected by this vulnerability is an unknown functionality. Performing a manipulation of the argument quote.text/quote.source results in cross site scripting. This vulnerability is cataloged as CVE-2025-66563. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in monkeytypegame monkeytype up to 25.49.0. This affects some unknown processing. The manipulation of the argument quote.text/quote.source with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

Monkeytype is a minimalistic and customizable typing test. In 25.49.0 and earlier, there is improper handling of user input which allows an attacker to execute malicious javascript on anyone viewing a malicious quote submission. quote.text and quote.source are user input, and they're inserted straight into the DOM. If they contain HTML tags, they will be rendered (after some escaping using quotes and textarea tags).

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-66563 since 12/04/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Applying the patch d6d062a77132ba7d6ba3b482d46ae329d3b8d695 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• monkeytypegame

Name

• monkeytype

Version

• 25.0
• 25.1
• 25.2
• 25.3
• 25.4
• 25.5
• 25.6
• 25.7
• 25.8
• 25.9
• 25.10
• 25.11
• 25.12
• 25.13
• 25.14
• 25.15
• 25.16
• 25.17
• 25.18
• 25.19
• 25.20
• 25.21
• 25.22
• 25.23
• 25.24
• 25.25
• 25.26
• 25.27
• 25.28
• 25.29
• 25.30
• 25.31
• 25.32
• 25.33
• 25.34
• 25.35
• 25.36
• 25.37
• 25.38
• 25.39
• 25.40
• 25.41
• 25.42
• 25.43
• 25.44
• 25.45
• 25.46
• 25.47
• 25.48
• 25.49.0

License

• open-source

Website

• Product: https://github.com/monkeytypegame/monkeytype/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

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Entryinfo

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