Urgent: High-Severity XSS Flaw Exposes Blood Bank Management System (CVE-2025-63533)

Overview

A critical cross-site scripting (XSS) vulnerability, identified as CVE-2025-63533, has been discovered in the Blood Bank Management System version 1.0. This vulnerability allows attackers to inject malicious JavaScript code into vulnerable parameters, potentially compromising user accounts and sensitive data. The vulnerability resides within the `updateprofile.php` and `rprofile.php` components of the application.

Technical Details

The vulnerability stems from the application’s failure to properly sanitize or encode user-supplied input before rendering it in the HTTP response. Specifically, the following parameters are susceptible to XSS injection:

• `rname` (Profile Name)
• `remail` (Profile Email)
• `rpassword` (Profile Password)
• `rphone` (Profile Phone Number)
• `rcity` (Profile City)

An attacker can inject malicious JavaScript payloads into these parameters. When a user views a page containing the unsanitized data, the injected script will execute in their browser, potentially allowing the attacker to steal cookies, redirect the user to a malicious website, or deface the web page.

CVSS Analysis

The Common Vulnerability Scoring System (CVSS) provides a standardized way to assess the severity of security vulnerabilities. This vulnerability has been assigned a CVSS score of 8.5, indicating a HIGH severity.

• CVSS Score: 8.5
• Vector: (This would be dynamically calculated, but typically includes metrics like AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N)

A high CVSS score highlights the critical nature of this vulnerability and the urgency with which it should be addressed.

Possible Impact

Successful exploitation of this XSS vulnerability can lead to severe consequences:

• Account Compromise: Attackers can steal user session cookies, allowing them to impersonate legitimate users and gain unauthorized access to their accounts.
• Data Theft: Sensitive information stored within the Blood Bank Management System, such as donor details and blood inventory data, could be stolen.
• Malware Distribution: The injected script can redirect users to malicious websites, potentially leading to malware infections.
• Website Defacement: Attackers can alter the appearance and functionality of the website, damaging the organization’s reputation.

Mitigation and Patch Steps

To mitigate this vulnerability, the following steps should be taken immediately:

1. Input Sanitization: Implement robust input sanitization techniques to validate and sanitize all user-supplied input, especially in the `updateprofile.php` and `rprofile.php` files. Use appropriate encoding functions (e.g., `htmlspecialchars` in PHP) to escape special characters before rendering data in the HTML.
2. Output Encoding: Encode all output data before rendering it in the HTML. This will prevent the browser from interpreting malicious code.
3. Web Application Firewall (WAF): Deploy a Web Application Firewall (WAF) to detect and block malicious requests targeting this vulnerability.
4. Update the Application: Contact the vendor (if available) or develop a patch that addresses the input validation and output encoding issues. Distribute this update to all users of the Blood Bank Management System 1.0.
5. Regular Security Audits: Conduct regular security audits and penetration testing to identify and address potential vulnerabilities in the application.

References

Google Drive PoC
Blood Bank Management System GitHub Repository
CVE-2025-63533 Exploit Details