CVE-2025-7903
📋 TL;DR
This vulnerability in RuoYi's Image Source Handler allows attackers to bypass UI layer restrictions, potentially enabling unauthorized interface manipulation. It affects RuoYi versions up to 4.8.1 and can be exploited remotely without authentication.
💻 Affected Systems
- yangzongzhuan RuoYi
📦 What is this software?
Ruoyi by Ruoyi
⚠️ Risk & Real-World Impact
Worst Case
Attackers could manipulate UI elements to perform unauthorized actions, potentially leading to data exposure or privilege escalation.
Likely Case
UI manipulation allowing unauthorized access to restricted interface components or data display.
If Mitigated
Limited impact if proper input validation and UI layer controls are implemented.
🎯 Exploit Status
Exploit has been publicly disclosed and remote exploitation is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://github.com/yangzongzhuan/RuoYi/issues/295
Restart Required: Yes
Instructions:
1. Monitor the GitHub issue for official patch. 2. Upgrade to version above 4.8.1 when available. 3. Restart application after patching.
🔧 Temporary Workarounds
Restrict Image Source Access
allImplement input validation and sanitization for image source parameters
Implement server-side validation for all image source inputs
Sanitize user-controlled image URLs
Network Segmentation
allRestrict access to RuoYi application from untrusted networks
Configure firewall rules to limit RuoYi access to trusted IPs only
🧯 If You Can't Patch
- Implement WAF rules to detect and block suspicious image source requests
- Disable or restrict the Image Source Handler component if not essential
🔍 How to Verify
Check if Vulnerable:
Check RuoYi version in application settings or configuration filesCheck Version:
Check application.properties or similar config files for version informationVerify Fix Applied:
Verify version is above 4.8.1 and test image source functionality📡 Detection & Monitoring
Log Indicators:
- Unusual image source requests
- Multiple failed image loading attempts from single source
Network Indicators:
- Suspicious HTTP requests to image handler endpoints with unusual parameters
SIEM Query:
source="ruoyi-app" AND (uri CONTAINS "/image/" OR uri CONTAINS "/img/") AND (param CONTAINS suspicious_pattern)