CVE-2025-13785
📋 TL;DR
This vulnerability in yungifez Skuul School Management System allows remote attackers to access sensitive information through improper handling of image files in the user profile component. It affects all installations up to version 2.6.5. The vulnerability enables unauthorized information disclosure without authentication.
💻 Affected Systems
- yungifez Skuul School Management System
📦 What is this software?
Skuul by Yungifez
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive student/teacher personal information, academic records, or system configuration data leading to privacy violations and potential identity theft.
Likely Case
Unauthorized access to user profile information including names, email addresses, and potentially other personal data stored in the system.
If Mitigated
Limited exposure of non-critical system information or metadata with proper access controls and network segmentation.
🎯 Exploit Status
Public exploit code is available on GitHub. The vulnerability requires no authentication and can be exploited remotely with simple HTTP requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor has not responded to disclosure. Consider upgrading to any version above 2.6.5 if available, or implement workarounds.
🔧 Temporary Workarounds
Restrict access to /user/profile endpoint
allBlock or restrict access to the vulnerable endpoint using web application firewall or server configuration
# Apache: RewriteRule ^/user/profile.* - [F]
# Nginx: location ~ ^/user/profile { deny all; }
Disable Image Handler component
allTemporarily disable the vulnerable image processing functionality
# Modify application configuration to disable image uploads in user profiles
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted IP addresses only
- Deploy a web application firewall with rules to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check if system version is 2.6.5 or earlier. Test by attempting to access /user/profile with crafted image parameters to see if information is disclosed.Check Version:
Check application version in admin panel or configuration files. Look for version information in /admin or /about pages.Verify Fix Applied:
Verify version is above 2.6.5 or that workarounds prevent access to /user/profile endpoint and block image manipulation attempts.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to /user/profile endpoint
- Multiple failed or successful requests with image parameters
- Requests with unusual image file extensions or parameters
Network Indicators:
- HTTP requests to /user/profile with image-related parameters
- Unusual outbound data transfers following profile access
SIEM Query:
source="web_server" AND (uri_path="/user/profile" OR uri_path CONTAINS "/user/profile/") AND (param CONTAINS "image" OR param CONTAINS "img" OR file_ext IN ("jpg","png","gif"))