jgniecki MinecraftMotdParser up to 1.0.5 HtmlGenerator cross site scripting

Summaryinfo

A vulnerability classified as problematic was found in jgniecki MinecraftMotdParser up to 1.0.5. The affected element is the function HtmlGenerator. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2024-47765. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in jgniecki MinecraftMotdParser up to 1.0.5 and classified as problematic. Affected by this issue is the function HtmlGenerator. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

Minecraft MOTD Parser is a PHP library to parse minecraft server motd. The HtmlGenerator class is subject to potential cross-site scripting (XSS) attack through a parsed malformed Minecraft server MOTD. The HtmlGenerator iterates through objects of MotdItem that are contained in an object of MotdItemCollection to generate a HTML string. An attacker can make malicious inputs to the color and text properties of MotdItem to inject own HTML into a web page during web page generation. For example by sending a malicious MOTD from a Minecraft server under their control that was queried and passed to the HtmlGenerator. This XSS vulnerability exists because the values of these properties are neither filtered nor escaped. This vulnerability is fixed in 1.0.6.

The advisory is available at github.com. This vulnerability is handled as CVE-2024-47765 since 09/30/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 1.0.6 eliminates this vulnerability. Applying the patch b0ab9d68a964cd3d74977f39a9e7af0a94509f7c is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• jgniecki

Name

• MinecraftMotdParser

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5

License

• open-source

Website

• Product: https://github.com/jgniecki/MinecraftMotdParser/

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