CVE-2025-50567
📋 TL;DR
Saurus CMS Community Edition 4.7.1 contains a critical SQL injection vulnerability in the DB::prepare() function due to improper use of preg_replace() with the deprecated /e modifier. This allows attackers to inject arbitrary SQL statements, potentially leading to remote code execution. All users running the vulnerable version are affected.
💻 Affected Systems
- Saurus CMS Community Edition
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with arbitrary PHP code execution, data theft, and potential lateral movement within the network.
Likely Case
Database compromise leading to data exfiltration, privilege escalation, and potential website defacement.
If Mitigated
Limited impact if proper input validation and WAF rules are in place, though risk remains due to eval-based execution.
🎯 Exploit Status
The vulnerability is in a core database function, making exploitation straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://saurus.com
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. If patch available, download and apply. 3. Test functionality after patching.
🔧 Temporary Workarounds
Input Validation Enhancement
allImplement strict input validation for all user-supplied parameters before they reach DB::prepare()
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns and eval() function usage
🧯 If You Can't Patch
- Isolate the Saurus CMS instance behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from the web application
🔍 How to Verify
Check if Vulnerable:
Check if running Saurus CMS Community Edition version 4.7.1 by examining version files or admin panelCheck Version:
Check includes/version.php or admin panel system informationVerify Fix Applied:
Verify version has been updated beyond 4.7.1 or check if DB::prepare() function no longer uses preg_replace() with /e modifier📡 Detection & Monitoring
Log Indicators:
- Unusual database queries with eval() patterns
- Multiple failed SQL injection attempts
- Unexpected PHP execution in database logs
Network Indicators:
- SQL injection payloads in HTTP requests
- Unusual outbound database connections from web server
SIEM Query:
source="web_logs" AND ("preg_replace.*/e" OR "eval(" OR "UNION SELECT")