CVE-2025-48204
📋 TL;DR
This vulnerability in the ns_backup TYPO3 extension allows attackers to execute arbitrary commands on the server through command injection. It affects TYPO3 installations using the vulnerable extension version. Attackers could potentially gain full control of affected systems.
💻 Affected Systems
- TYPO3 ns_backup extension
⚠️ 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
Full server compromise allowing remote code execution, data theft, lateral movement, and complete system takeover.
Likely Case
Unauthorized command execution leading to data exfiltration, backdoor installation, or service disruption.
If Mitigated
Limited impact if proper input validation and command sanitization are implemented.
🎯 Exploit Status
Exploitation requires access to the TYPO3 backend or vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to ns_backup extension version after 13.0.0
Vendor Advisory: https://typo3.org/security/advisory/typo3-ext-sa-2025-007
Restart Required: No
Instructions:
1. Access TYPO3 Extension Manager. 2. Check for ns_backup extension updates. 3. Update to latest patched version. 4. Clear TYPO3 caches.
🔧 Temporary Workarounds
Disable ns_backup extension
allTemporarily disable the vulnerable extension until patching is possible
typo3cms extension:deactivate ns_backup
Restrict backend access
allLimit TYPO3 backend access to trusted IP addresses only
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user inputs
- Apply network segmentation to isolate TYPO3 servers from critical systems
🔍 How to Verify
Check if Vulnerable:
Check TYPO3 Extension Manager for ns_backup extension version. If version is 13.0.0 or earlier, system is vulnerable.Check Version:
typo3cms extension:list | grep ns_backupVerify Fix Applied:
Confirm ns_backup extension version is updated beyond 13.0.0 in Extension Manager.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Suspicious backup-related activities
- Unexpected process creation from TYPO3
Network Indicators:
- Unusual outbound connections from TYPO3 server
- Command and control traffic patterns
SIEM Query:
source="typo3.log" AND ("ns_backup" OR "command injection" OR suspicious_command_pattern)