CVE-2023-48913
📋 TL;DR
Dreamer CMS v4.1.3 contains a CSRF vulnerability in the article deletion function that allows attackers to trick authenticated administrators into performing unauthorized deletions. This affects any Dreamer CMS installation with the vulnerable version exposed to untrusted users. Attackers can delete articles without the admin's knowledge or consent.
💻 Affected Systems
- Dreamer CMS
📦 What is this software?
Dreamer Cms by Iteachyou
⚠️ Risk & Real-World Impact
Worst Case
Complete loss of website content through mass article deletion, potentially causing business disruption, data loss, and reputational damage.
Likely Case
Selective deletion of important articles or content sections, causing content management issues and requiring restoration from backups.
If Mitigated
No impact if proper CSRF protections are implemented or if the admin interface is not accessible to attackers.
🎯 Exploit Status
CSRF attacks are well-understood and easy to implement. Requires the victim admin to be authenticated and visit a malicious page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check for official patch from Dreamer CMS developers. 2. If patch available, apply according to vendor instructions. 3. Verify CSRF protection is implemented on /admin/archives/delete endpoint.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to the article deletion endpoint
Modify /admin/archives/delete endpoint to require and validate CSRF tokens
Restrict Admin Access
allLimit admin interface access to trusted IP addresses only
Configure web server (Apache/Nginx) to restrict /admin/* paths to specific IPs
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect and block CSRF attempts
- Require re-authentication for destructive actions like deletions
🔍 How to Verify
Check if Vulnerable:
Test if /admin/archives/delete endpoint accepts requests without CSRF tokens when admin is authenticatedCheck Version:
Check Dreamer CMS version in admin panel or configuration filesVerify Fix Applied:
Verify that /admin/archives/delete endpoint now requires and validates CSRF tokens📡 Detection & Monitoring
Log Indicators:
- Multiple DELETE requests to /admin/archives/delete from same session
- Article deletions without corresponding admin actions in logs
Network Indicators:
- HTTP requests to /admin/archives/delete without Referer header validation
- POST requests from unexpected origins to admin endpoints
SIEM Query:
source="web_logs" AND uri="/admin/archives/delete" AND NOT referer="*admin*"