CVE-2019-25312
📋 TL;DR
CVE-2019-25312 is a persistent cross-site scripting (XSS) vulnerability in InoERP 0.7.2 that allows unauthenticated attackers to inject malicious JavaScript into comment sections. When other users view these comments, the scripts execute in their browsers, potentially stealing session cookies and sensitive information. All users of InoERP 0.7.2 who access comment functionality are affected.
💻 Affected Systems
- InoERP
📦 What is this software?
Inoerp by Inoideas
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full system access, compromise user accounts, and exfiltrate sensitive business data.
Likely Case
Attackers steal user session cookies to hijack accounts, perform unauthorized actions, and potentially escalate privileges within the application.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching user browsers, preventing execution.
🎯 Exploit Status
Exploit code is publicly available on Exploit-DB (ID 47428), requiring only web browser access to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: http://inoideas.org/
Restart Required: No
Instructions:
1. Check the InoERP GitHub repository for security updates. 2. Apply any available patches for XSS vulnerabilities. 3. Verify input validation and output encoding are properly implemented.
🔧 Temporary Workarounds
Disable Comment Functionality
allTemporarily disable or restrict access to comment sections to prevent exploitation.
Modify application configuration to disable comment posting
Implement Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to filter malicious payloads.
Configure WAF rules to block script tags and JavaScript in comment parameters
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to restrict script execution
- Deploy network segmentation to isolate the InoERP instance from critical systems
🔍 How to Verify
Check if Vulnerable:
Test by submitting a comment with a simple XSS payload like <script>alert('test')</script> and check if it executes when viewed.
Check Version:
Check the InoERP version in the application interface or configuration files.
Verify Fix Applied:
After applying fixes, repeat the XSS test to confirm scripts no longer execute and are properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual comment submissions containing script tags or JavaScript code
- Multiple failed login attempts following comment activity
Network Indicators:
- Outbound connections to suspicious domains from user browsers after viewing comments
SIEM Query:
search source="web_logs" (comment OR post) AND (script OR javascript OR alert)