mrcen springboot-ucan-admin Personal Settings Interface index cross site scripting

Successful exploitation of CVE-2025-3393 allows an attacker to inject malicious scripts into the springboot-ucan-admin application. This can lead to the theft of sensitive user data, including session cookies and authentication tokens. An attacker could leverage this to impersonate legitimate users, gain unauthorized access to resources, and potentially compromise the entire system. The public disclosure of the exploit significantly increases the likelihood of widespread exploitation, particularly targeting systems running vulnerable versions of springboot-ucan-admin.

Organizations deploying springboot-ucan-admin in production environments, particularly those with publicly accessible instances of the /ucan-admin/index endpoint, are at risk. Systems with weak input validation or output encoding are especially vulnerable. Shared hosting environments where multiple users share the same instance of springboot-ucan-admin could also be affected, as an attacker could potentially exploit the vulnerability through another user's session.

• java / server: Monitor application logs for unusual script execution or suspicious user activity related to the /ucan-admin/index endpoint. Use Java profilers to identify potential XSS injection points. • generic web: Use curl or wget to test the /ucan-admin/index endpoint with a simple XSS payload (e.g., <script>alert(1)</script>) and observe the response for script execution. Check response headers for Content-Security-Policy (CSP) settings that might mitigate XSS attacks.

curl -X POST -d '<script>alert(1)</script>' http://your-springboot-ucan-admin-instance/ucan-admin/index

1. 2025-04-08Disclosure

   disclosure

1. 予約済み2025-04-07
2. 公開日2025-04-08
3. EPSS 更新日2026-03-23

The primary mitigation for CVE-2025-3393 is to upgrade to version 5.0.1 of springboot-ucan-admin. If upgrading is not immediately feasible, consider implementing temporary workarounds such as input validation and output encoding on the /ucan-admin/index endpoint. Web Application Firewalls (WAFs) configured to detect and block XSS payloads can also provide a layer of protection. Carefully review and sanitize all user-supplied input before rendering it in the application. After upgrading, confirm the vulnerability is resolved by attempting to inject a simple XSS payload through the /ucan-admin/index endpoint and verifying that it is properly sanitized.