CVE-2025-22540
📋 TL;DR
This SQL injection vulnerability in the Emailing Subscription WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all versions up to 1.4.1, potentially compromising websites using this plugin.
💻 Affected Systems
- Sebastian Orellana Emailing Subscription 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 data theft, modification, or deletion; potential privilege escalation to full system access.
Likely Case
Data exfiltration from WordPress database including user credentials, sensitive content, and configuration data.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only read access to non-sensitive data.
🎯 Exploit Status
Blind SQL injection suggests exploitation requires inference techniques but is still accessible to attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Emailing Subscription' plugin. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate email-suscripcion
Web Application Firewall
allDeploy WAF rules to block SQL injection patterns targeting this plugin.
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in custom code.
- Restrict database user permissions to minimum required for plugin functionality.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Emailing Subscription' version 1.4.1 or earlier.Check Version:
wp plugin get email-suscripcion --field=versionVerify Fix Applied:
Confirm plugin version is 1.4.2 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- Unexpected plugin file modifications
Network Indicators:
- HTTP requests with SQL syntax in parameters targeting plugin endpoints
- Abnormal outbound database connections
SIEM Query:
source="web_server" AND (uri="*/wp-content/plugins/email-suscripcion/*" AND (param="*' OR *" OR param="*;--*"))