Visionatrix up to 2.5.0 ComfyUI /docs/flows get_swagger_ui_html cross site scripting

Summaryinfo

A vulnerability has been found in Visionatrix up to 2.5.0 and classified as problematic. Affected by this vulnerability is the function get_swagger_ui_html of the file /docs/flows of the component ComfyUI. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2025-49126. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Visionatrix up to 2.5.0. Affected by this vulnerability is the function get_swagger_ui_html of the file /docs/flows of the component ComfyUI. 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. The summary by CVE is:

Visionatrix is an AI Media processing tool using ComfyUI. In versions 1.5.0 to before 2.5.1, the /docs/flows endpoint is vulnerable to a Reflected XSS (Cross-Site Scripting) attack allowing full takeover of the application and exfiltration of secrets stored in the application. The implementation uses the get_swagger_ui_html function from FastAPI. This function does not encode or sanitize its arguments before using them to generate the HTML for the swagger documentation page and is not intended to be used with user-controlled arguments. Any user of this application can be targeted with a one-click attack that can takeover their session and all the secrets that may be contained within it. This issue has been patched in version 2.5.1.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-49126 since 06/02/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 2.5.1 eliminates this vulnerability. Applying the patch 63aafe6e4d1bffe4bf69e73b6fdfc65c71a8f5b8 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18919). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Visionatrix

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5.0

License

• open-source

Website

• Product: https://github.com/Visionatrix/Visionatrix/

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Be aware that VulDB is the high quality source for vulnerability data.

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