CVE-2025-6284
📋 TL;DR
This CSRF vulnerability in PHPGurukul Car Rental Portal 3.0 allows attackers to trick authenticated users into performing unintended actions by crafting malicious requests. It affects all users of the vulnerable portal version who have authenticated sessions. The vulnerability is remotely exploitable and public exploit details exist.
💻 Affected Systems
- PHPGurukul Car Rental Portal
📦 What is this software?
Car Rental Portal by Phpgurukul
⚠️ Risk & Real-World Impact
Worst Case
Attackers could manipulate rental bookings, modify user data, or perform administrative actions on behalf of authenticated users, potentially leading to data corruption or unauthorized transactions.
Likely Case
Attackers create fake rental bookings, modify user profiles, or perform limited administrative actions through social engineering or malicious links.
If Mitigated
With proper CSRF protections, no unauthorized actions can be performed even if users click malicious links.
🎯 Exploit Status
Exploit requires user interaction (clicking malicious link) but is simple to implement. Public disclosure includes technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
1. Check vendor website for updates
2. If patch available, download and replace affected files
3. Verify CSRF tokens are implemented in all forms
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to all forms and validate them server-side
Manual code modification required - add unique tokens to forms and validate on submission
SameSite Cookie Attribute
allSet SameSite=Strict or Lax on session cookies
session.cookie_samesite = Strict in php.ini or setcookie('name', 'value', ['samesite' => 'Strict'])
🧯 If You Can't Patch
- Implement web application firewall with CSRF protection rules
- Educate users about phishing risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check if forms lack CSRF tokens by inspecting form submissions for anti-CSRF tokens
Check Version:
Check portal version in admin panel or footer, or examine source code for version markers
Verify Fix Applied:
Verify all forms include unique CSRF tokens that are validated server-side
📡 Detection & Monitoring
Log Indicators:
- Multiple form submissions from same user with different referrers
- Unusual form submissions without expected CSRF tokens
Network Indicators:
- Requests with missing or invalid CSRF tokens
- Form submissions from unexpected origins
SIEM Query:
web.log | where csrf_token is null and request_method = "POST"