Overview
In the cybersecurity world, new vulnerabilities are unearthed and patched regularly. One such vulnerability has been found in Visionatrix, an AI Media processing tool. This tool, used by a variety of companies for processing media files, has been found to have a critical vulnerability that can potentially lead to a complete system takeover.
This vulnerability, identified as CVE-2025-49126, affects versions 1.5.0 to 2.5.0 of the Visionatrix software. This flaw allows for a Reflected XSS (Cross-Site Scripting) attack and can result in full application takeover and exfiltration of secrets. It’s crucial to be aware of this vulnerability, understand its implications, and apply the necessary patches to ensure the security of the system.
Vulnerability Summary
CVE ID: CVE-2025-49126
Severity: Critical (CVSS: 8.8)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: Full system takeover and potential data leakage
Affected Products
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Product | Affected Versions
Visionatrix AI Media Processing Tool | 1.5.0 to 2.5.0
How the Exploit Works
The vulnerability lies in the /docs/flows endpoint of the Visionatrix software. The endpoint makes use of the get_swagger_ui_html function from FastAPI, which is not intended for use with user-controlled arguments. This function does not encode or sanitize its arguments before using them to generate the HTML for the swagger documentation page.
An attacker can exploit this flaw by crafting a malicious URL to trigger a Reflected XSS attack. The user clicks on the URL, which then sends a request with the malicious script to the server. The server responds back with a page that contains the malicious script and executes in the user’s browser, potentially leading to a session takeover and access to the secrets stored in the application.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited using a malicious HTTP request:
GET /docs/flows?callback=<script>malicious_code_here</script> HTTP/1.1
Host: target.example.comIn this example, the `malicious_code_here` would be the script designed to exploit the vulnerability, allowing for full system takeover and potential data leakage.
Mitigation Guidance
The developers of Visionatrix have patched this vulnerability in version 2.5.1 of the software. Users are strongly advised to update to this version or later to mitigate the risks associated with this vulnerability.
In cases where an immediate update is not possible, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as temporary mitigation. These systems can detect and prevent XSS attacks, providing an additional layer of security. However, these are not long-term solutions and updating the software should be the priority.