CVE-2025-63534
📋 TL;DR
A cross-site scripting (XSS) vulnerability in Blood Bank Management System 1.0 allows attackers to inject malicious JavaScript via the msg and error parameters in login.php. This can lead to session hijacking, credential theft, or malware delivery when victims view the compromised page. Organizations using this specific blood bank management software are affected.
💻 Affected Systems
- Blood Bank Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete account takeover, administrative privilege escalation, data exfiltration of sensitive medical records, and installation of persistent backdoors.
Likely Case
Session hijacking leading to unauthorized access to blood bank data, credential theft from legitimate users, and defacement of the login page.
If Mitigated
Limited to minor page manipulation with no data compromise if proper input validation and output encoding are implemented.
🎯 Exploit Status
Exploitation requires no authentication and involves simple HTTP parameter manipulation with readily available XSS payloads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: N/A
Restart Required: No
Instructions:
No official patch exists. Implement workarounds or manually fix the vulnerable code by adding input validation and output encoding in login.php.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rule
allBlock malicious payloads targeting msg and error parameters in login.php requests.
WAF-specific configuration required
Input Validation Filter
allAdd server-side filtering to sanitize msg and error parameters before processing.
Modify login.php to include: $msg = htmlspecialchars($_GET['msg'], ENT_QUOTES, 'UTF-8'); $error = htmlspecialchars($_GET['error'], ENT_QUOTES, 'UTF-8');
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only.
- Implement strict access controls and monitor all login.php requests for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Test by accessing login.php with a payload like: login.php?msg=<script>alert('XSS')</script> and checking if script executes.Check Version:
Check the software version in the application interface or configuration files.Verify Fix Applied:
Retest with the same payload; script should not execute and input should be properly encoded in the response.📡 Detection & Monitoring
Log Indicators:
- HTTP requests to login.php containing script tags or JavaScript in msg/error parameters
- Unusual login attempts with long parameter values
Network Indicators:
- Inbound traffic to login.php with encoded script payloads in URL parameters
SIEM Query:
source="web_logs" AND uri="*login.php*" AND (param="*msg=*<script>*" OR param="*error=*<script>*")