Overview
CVE-2025-50904 is an authentication bypass vulnerability that has been identified in WinterChenS my-site, specifically up to commit 6c79286 (2025-06-11). This security breach is significant because it allows an attacker to access the /admin/ API without any token, potentially leading to system compromise and data leakage. This vulnerability poses a serious threat to any organization or individual that utilizes WinterChenS my-site, underscoring the need for immediate attention and remedy.
Vulnerability Summary
CVE ID: CVE-2025-50904
Severity: Critical, with a CVSS Score of 9.8
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or potential data leakage
Affected Products
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Product | Affected Versions
WinterChenS my-site | Up to commit 6c79286 (2025-06-11)
How the Exploit Works
The vulnerability exploits a flaw in the authentication mechanism of the /admin/ API on WinterChenS my-site. The issue arises from the application’s failure to properly validate or handle authentication tokens, effectively allowing an attacker to bypass standard security checks. This provides an unauthorized user with unrestricted access to the /admin/ API, where they could potentially manipulate data or compromise the system.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited using a simple HTTP request:
GET /admin/ HTTP/1.1
Host: target.example.comIn the example above, an attacker sends a GET request to the /admin/ endpoint without providing any authentication token. Due to the vulnerability, the request is processed successfully, granting the attacker unauthorized access to the /admin/ API.
Mitigation
To mitigate the risk associated with this vulnerability, users are advised to apply the vendor patch as soon as it becomes available. In the meantime, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure, helping to detect and block malicious activities. Regular monitoring and auditing of system logs can also assist in identifying any unauthorized access attempts, thereby enhancing overall security.