CVE-2022-25505

9.8 CRITICAL

📋 TL;DR

CVE-2022-25505 is a critical SQL injection vulnerability in Taocms v3.0.2 that allows attackers to execute arbitrary SQL commands via the id parameter in Category.php. This affects all users running the vulnerable version, potentially leading to complete database compromise.

💻 Affected Systems

Products:
  • Taocms
Versions: v3.0.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of Taocms v3.0.2 are vulnerable by default.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data theft, data manipulation, privilege escalation, and potential remote code execution via database functions.

🟠

Likely Case

Unauthorized data access, data exfiltration, and potential authentication bypass leading to administrative access.

🟢

If Mitigated

Limited impact with proper input validation and parameterized queries in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

SQL injection via id parameter requires minimal technical skill to exploit.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v3.0.3 or later

Vendor Advisory: https://github.com/taogogo/taocms/issues/27

Restart Required: No

Instructions:

1. Backup your database and files. 2. Download latest version from official repository. 3. Replace vulnerable files. 4. Test functionality.

🔧 Temporary Workarounds

Input Validation Filter

all

Add input validation to sanitize id parameter before processing

Modify \include\Model\Category.php to validate/sanitize id parameter

WAF Rule

all

Implement web application firewall rules to block SQL injection patterns

Add WAF rule: deny requests with SQL keywords in id parameter

🧯 If You Can't Patch

  • Implement strict input validation for all user inputs
  • Deploy web application firewall with SQL injection protection rules

🔍 How to Verify

Check if Vulnerable:

Check if running Taocms v3.0.2 by examining version files or admin panel

Check Version:

Check admin panel or read version.txt file in installation directory

Verify Fix Applied:

Verify version is v3.0.3 or later and test id parameter with SQL injection payloads

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL errors in logs
  • Multiple failed login attempts after SQL injection
  • Unexpected database queries

Network Indicators:

  • SQL keywords in URL parameters
  • Unusual database connection patterns

SIEM Query:

source="web_logs" AND ("UNION SELECT" OR "SELECT * FROM" OR "id='1' OR '1'='1'" OR "id=1;--")

🔗 References

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