CVE-2025-39566
📋 TL;DR
This SQL injection vulnerability in the Bob Hostel WordPress plugin allows attackers to execute arbitrary SQL commands through blind injection techniques. It affects all WordPress sites running Hostel plugin versions up to 1.1.5.6, potentially exposing database contents.
💻 Affected Systems
- Bob Hostel WordPress Plugin
⚠️ 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 database compromise including sensitive user data, administrative credentials, and potential privilege escalation to full system access.
Likely Case
Data exfiltration of user information, plugin settings, and potentially WordPress user credentials.
If Mitigated
Limited information disclosure through blind SQL injection if proper input validation and WAF rules are in place.
🎯 Exploit Status
Blind SQL injection requires more sophisticated exploitation but automated tools exist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.5.7 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/hostel/vulnerability/wordpress-hostel-1-1-5-6-sql-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Hostel' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns targeting Hostel plugin endpoints.
Input Validation Enhancement
allAdd custom input validation for all Hostel plugin parameters before database queries.
🧯 If You Can't Patch
- Immediately deactivate and remove the Hostel plugin from all WordPress installations.
- Implement strict network segmentation and limit database access to only necessary application components.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Hostel plugin version. If version is 1.1.5.6 or earlier, system is vulnerable.Check Version:
wp plugin list --name=hostel --field=version (if WP-CLI installed)Verify Fix Applied:
Confirm Hostel plugin version is 1.1.5.7 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in WordPress debug logs
- Multiple failed SQL queries from single IP addresses
- Requests with SQL keywords (UNION, SELECT, etc.) to Hostel endpoints
Network Indicators:
- HTTP requests containing SQL injection payloads to /wp-content/plugins/hostel/ paths
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (uri="*hostel*" AND (query="*UNION*" OR query="*SELECT*" OR query="*FROM*"))