CVE-2025-27339
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress Minimum Password Strength plugin allows attackers to trick authenticated administrators into performing unintended actions. This affects WordPress sites using the plugin from all versions up to and including 1.2.0. Attackers could potentially change password strength settings without the admin's knowledge.
💻 Affected Systems
- WordPress Minimum Password Strength 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
An attacker could disable password strength requirements entirely, allowing weak passwords that make the site vulnerable to brute force attacks and account takeovers.
Likely Case
Attackers could modify plugin settings to weaken security policies, potentially enabling easier credential stuffing or brute force attacks against user accounts.
If Mitigated
With proper CSRF protections and admin awareness, the risk is limited to unauthorized setting changes that can be detected and reverted.
🎯 Exploit Status
Exploitation requires tricking an authenticated admin into clicking a malicious link while logged into WordPress admin panel.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Minimum Password Strength'
4. Click 'Update Now' if available
5. Alternatively, delete and reinstall latest version from WordPress repository
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate minimum-password-strength
CSRF Protection Middleware
allImplement additional CSRF protection at web server or application level
🧯 If You Can't Patch
- Implement strict SameSite cookie policies and Content Security Policy headers
- Educate administrators about CSRF risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Minimum Password Strength → Version. If version is 1.2.0 or earlier, you are vulnerable.
Check Version:
wp plugin get minimum-password-strength --field=version
Verify Fix Applied:
After update, verify version is 1.2.1 or later in WordPress admin plugins page.
📡 Detection & Monitoring
Log Indicators:
- Unexpected changes to password strength settings in WordPress logs
- Admin actions from unusual IP addresses or user agents
Network Indicators:
- POST requests to wp-admin/admin-ajax.php with plugin-specific actions from unexpected referrers
SIEM Query:
source="wordpress.log" AND ("minimum-password-strength" OR "password_strength") AND action="update"