CVE-2025-30876
📋 TL;DR
This SQL injection vulnerability in the Ads by WPQuads WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites running the plugin from any version up to 2.0.87.1. Successful exploitation could lead to data theft, modification, or complete database compromise.
💻 Affected Systems
- Ads by WPQuads (Quick AdSense Reloaded)
⚠️ 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 data exfiltration, privilege escalation, arbitrary code execution via database functions, and potential site takeover.
Likely Case
Data theft of user information, plugin settings, and WordPress metadata; potential for authentication bypass or privilege escalation.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented; database permissions restrict damage to plugin tables only.
🎯 Exploit Status
SQL injection vulnerabilities in WordPress plugins are frequently weaponized; public exploit details available on security research sites.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.87.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find 'Ads by WPQuads'
4. Click 'Update Now' if available
5. If no update appears, manually download version 2.0.87.2+ from WordPress.org
6. Deactivate, delete old version, upload new version, activate
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate ads-by-wpquads
Web Application Firewall Rule
linuxBlock SQL injection patterns targeting WPQuads endpoints
ModSecurity rule: SecRule REQUEST_URI "@contains wpquads" "phase:2,deny,id:1001,msg:'WPQuads SQLi Block'"
🧯 If You Can't Patch
- Immediately deactivate the Ads by WPQuads plugin
- Implement strict WAF rules to block SQL injection patterns on /wp-admin/admin-ajax.php and plugin-specific endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Ads by WPQuads version 2.0.87.1 or earlierCheck Version:
wp plugin get ads-by-wpquads --field=versionVerify Fix Applied:
Confirm plugin version is 2.0.87.2 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts via wp-admin/admin-ajax.php
- Unexpected database errors containing 'wpquads'
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with SQL keywords in parameters
- Unusual outbound database connections from web server
SIEM Query:
source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND (param="action" AND value="wpquads*") AND (param_contains SQL keywords)