CVE-2025-9395
📋 TL;DR
This vulnerability in wangsongyan wblog 0.0.1 allows remote attackers to perform server-side request forgery (SSRF) attacks through the RestorePost function in backup.go. Attackers can manipulate the fileName argument to make the server send unauthorized requests to internal systems. Anyone running this specific version of wblog is affected.
💻 Affected Systems
- wangsongyan wblog
⚠️ 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
Attackers could access internal services, exfiltrate sensitive data, or pivot to other systems within the network.
Likely Case
Unauthorized access to internal HTTP services, potential data leakage from internal APIs or services.
If Mitigated
Limited impact if network segmentation prevents internal service access from the vulnerable server.
🎯 Exploit Status
Public proof-of-concept available, remote exploitation without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None available
Vendor Advisory: None - vendor did not respond to disclosure
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Disable backup functionality
allRemove or disable the backup.go file and RestorePost functionality
rm backup.go
Remove backup-related endpoints from routing
Input validation and sanitization
allImplement strict validation on fileName parameter to prevent SSRF
Add validation to restrict fileName to local paths only
Implement allowlist for acceptable file paths
🧯 If You Can't Patch
- Implement network segmentation to isolate wblog server from internal services
- Deploy web application firewall (WAF) with SSRF protection rules
🔍 How to Verify
Check if Vulnerable:
Check if running wblog version 0.0.1 and if backup.go file exists with RestorePost function
Check Version:
Check wblog version in configuration or package manager
Verify Fix Applied:
Verify backup functionality is disabled or fileName validation prevents external URL access
📡 Detection & Monitoring
Log Indicators:
- Unusual file restore attempts
- Requests to backup endpoints with external URLs in parameters
- Outbound connections from wblog to unexpected internal services
Network Indicators:
- Unusual outbound HTTP requests from wblog server to internal IP ranges
- Traffic patterns suggesting internal service scanning
SIEM Query:
source="wblog" AND (uri="*backup*" OR uri="*restore*") AND (param="*http://*" OR param="*://*")