CVE-2025-13575
📋 TL;DR
This SQL injection vulnerability in code-projects Blog Site 1.0 allows attackers to manipulate database queries through the category_exists function. Remote attackers can potentially read, modify, or delete database content. All deployments of Blog Site 1.0 are affected.
💻 Affected Systems
- code-projects Blog Site
📦 What is this software?
Blog Site by Fabian
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, and potential remote code execution via database functions.
Likely Case
Unauthorized data access, privilege escalation, and potential website defacement through database manipulation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.
🎯 Exploit Status
Multiple public exploit examples exist. Attack can be performed remotely without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://code-projects.org/
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize the name/field parameter before passing to category_exists function
Modify /resources/functions/blog.php to add parameter validation using prepared statements or proper escaping
Web Application Firewall Rules
allBlock SQL injection patterns targeting category endpoints
Add WAF rules to detect and block SQL injection patterns in POST/GET parameters
🧯 If You Can't Patch
- Implement network segmentation to isolate the blog server from critical systems
- Enable detailed logging and monitoring for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Check if running code-projects Blog Site version 1.0. Review /resources/functions/blog.php for vulnerable category_exists function.Check Version:
Check application files for version information or review installation documentationVerify Fix Applied:
Test category endpoints with SQL injection payloads to ensure they are properly rejected or sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts or parameter manipulation
Network Indicators:
- SQL keywords in HTTP parameters
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND ("category_exists" OR "SQL syntax" OR "You have an error in your SQL syntax")