CVE-2025-30523
📋 TL;DR
This SQL injection vulnerability in the WordPress Super Simple Subscriptions plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites running the plugin from any version up to and including 1.1.0.
💻 Affected Systems
- Super Simple Subscriptions 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 leading to data theft, data manipulation, privilege escalation, or full site takeover.
Likely Case
Unauthorized data access, including extraction of user information, subscription details, or other sensitive data stored in the database.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
Exploitation requires understanding of SQL injection techniques and WordPress plugin structure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.1.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Super Simple Subscriptions. 4. Click 'Update Now' if available. 5. If no update available, deactivate and remove the plugin.
🔧 Temporary Workarounds
Input Sanitization WAF Rule
allImplement web application firewall rules to block SQL injection patterns in plugin requests.
🧯 If You Can't Patch
- Deactivate and remove the Super Simple Subscriptions plugin immediately.
- Implement strict network segmentation to isolate the affected WordPress instance.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Super Simple Subscriptions version 1.1.0 or earlier.
Check Version:
wp plugin list --name=super-simple-subscriptions --field=version
Verify Fix Applied:
Confirm plugin version is higher than 1.1.0 or plugin is completely removed.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in WordPress logs
- Multiple failed SQL query attempts
Network Indicators:
- HTTP requests with SQL syntax in parameters targeting plugin endpoints
SIEM Query:
source="wordpress.log" AND "SQL syntax" AND "super-simple-subscriptions"