lobehub lobe-chat up to 1.129.3 SVGRender cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in lobehub lobe-chat up to 1.129.3. This impacts an unknown function of the component SVGRender. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2025-59417. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in lobehub lobe-chat up to 1.129.3. Affected by this issue is an unknown code block of the component SVGRender. 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:

Lobe Chat is an open-source artificial intelligence chat framework. Prior to version 1.129.4, there is a a cross-site scripting (XSS) vulnerability when handling chat message in lobe-chat that can be escalated to remote code execution on the user’s machine. In lobe-chat, when the response from the server is like , it will be rendered with the lobeArtifact node, instead of the plain text. However, when the type of the lobeArtifact is image/svg+xml , it will be rendered as the SVGRender component, which internally uses dangerouslySetInnerHTML to set the content of the svg, resulting in XSS attack. Any party capable of injecting content into chat messages, such as hosting a malicious page for prompt injection, operating a compromised MCP server, or leveraging tool integrations, can exploit this vulnerability. This vulnerability is fixed in 1.129.4.

The advisory is available at github.com. This vulnerability is handled as CVE-2025-59417 since 09/15/2025. 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. 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 1.129.4 eliminates this vulnerability. Applying the patch 9f044edd07ce102fe9f4b2fb47c62191c36da05c 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Chat Software

Vendor

• lobehub

Name

• lobe-chat

Version

• 1.129.0
• 1.129.1
• 1.129.2
• 1.129.3

License

• open-source

Website

• Product: https://github.com/lobehub/lobe-chat/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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