marp-team marp-core up to 3.9.0/4.0.0 cross site scripting

Summaryinfo

A vulnerability classified as problematic was found in marp-team marp-core up to 3.9.0/4.0.0. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2024-56510. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in marp-team marp-core up to 3.9.0/4.0.0. It has been declared as problematic. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

@marp-team/marp-core is the core for Marp, which is the ecosystem to write your presentation with plain Markdown. Marp Core from v3.0.2 to v3.9.0 and v4.0.0, are vulnerable to cross-site scripting (XSS) due to improper neutralization of HTML sanitization. Marp Core v3.9.1 and v4.0.1 have been patched to fix that. If you are unable to update the package immediately, disable all HTML tags by setting html: false option in the Marp class constructor.

The advisory is available at github.com. This vulnerability was named CVE-2024-56510 since 12/26/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 3.9.1 or 4.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 61a1def244d1b6faa8e2c0be97ec0b68cab3ab49 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

• marp-team

Name

• marp-core

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9.0
• 4.0

License

• open-source

Website

• Product: https://github.com/marp-team/marp-core/

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