CVE-2025-30921
📋 TL;DR
This SQL injection vulnerability in Tribulant Software Newsletters WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all versions up to 4.9.9.7 of the Newsletters plugin, potentially compromising websites using this software.
💻 Affected Systems
- Tribulant Software Newsletters 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, privilege escalation, website defacement, or full system takeover through subsequent attacks.
Likely Case
Unauthorized data access, extraction of sensitive information like user credentials, email lists, or plugin configuration data.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database user privilege restrictions in place.
🎯 Exploit Status
Exploitation requires understanding of SQL injection techniques and WordPress plugin structure. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.9.9.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Newsletters' plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
WordPressDisable the vulnerable plugin until patched version is available
wp plugin deactivate newsletters-lite
🧯 If You Can't Patch
- Implement web application firewall (WAF) with SQL injection rules
- Restrict database user permissions to minimum required
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Newsletters plugin version 4.9.9.7 or earlierCheck Version:
wp plugin get newsletters-lite --field=versionVerify Fix Applied:
Confirm plugin version is 4.9.9.8 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:
- SQL syntax in HTTP POST/GET parameters
- Unusual database connection patterns
SIEM Query:
SELECT * FROM web_logs WHERE url LIKE '%newsletters%' AND (params LIKE '%UNION%' OR params LIKE '%SELECT%' OR params LIKE '%INSERT%')