CVE-2025-15372
📋 TL;DR
This vulnerability allows remote attackers to inject malicious scripts into the Notice Handler component of youlaitech vue3-element-admin, leading to cross-site scripting (XSS) attacks. It affects all users of vue3-element-admin up to version 3.4.0. The attack can be executed remotely without authentication.
💻 Affected Systems
- youlaitech vue3-element-admin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, or redirect users to malicious sites, potentially leading to account compromise or data theft.
Likely Case
Attackers inject malicious scripts that execute in users' browsers, potentially stealing session tokens or displaying fraudulent content.
If Mitigated
With proper input validation and output encoding, the impact is limited to script execution within the Notice Handler context only.
🎯 Exploit Status
Proof of concept is publicly available in GitHub repositories. Remote exploitation is possible without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor did not respond to disclosure. Consider upgrading to any version above 3.4.0 if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and output encoding for the Notice Handler component to prevent script injection.
Modify src/views/system/notice/index.vue to sanitize user inputs using Vue.js built-in escaping or libraries like DOMPurify
Content Security Policy (CSP)
allImplement a strict Content Security Policy to prevent execution of inline scripts and unauthorized external scripts.
Add Content-Security-Policy header: script-src 'self'
🧯 If You Can't Patch
- Disable or restrict access to the Notice Handler component if not essential
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check if using vue3-element-admin version 3.4.0 or earlier and examine src/views/system/notice/index.vue for lack of input sanitizationCheck Version:
Check package.json for version number or run: npm list vue3-element-adminVerify Fix Applied:
Test Notice Handler with XSS payloads to ensure scripts are not executed📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in notice-related requests
- Multiple failed XSS attempts
Network Indicators:
- HTTP requests containing script tags or JavaScript in notice parameters
SIEM Query:
source="web_logs" AND (uri="*notice*" AND (content="<script>" OR content="javascript:"))🔗 References
- https://github.com/AnalogyC0de/public_exp/blob/main/archives/vue3-element-admin/report.md
- https://github.com/AnalogyC0de/public_exp/blob/main/archives/vue3-element-admin/report.md#proof-of-concept
- https://vuldb.com/?ctiid.339080
- https://vuldb.com/?id.339080
- https://vuldb.com/?submit.718345
- https://github.com/AnalogyC0de/public_exp/blob/main/archives/vue3-element-admin/report.md
