CVE-2025-62108
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the SaifuMak Add Custom Codes WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 4.80, potentially enabling unauthorized users to modify custom code settings on WordPress sites using this plugin.
💻 Affected Systems
- SaifuMak Add Custom Codes 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
Attackers could inject malicious JavaScript or PHP code into WordPress sites, leading to complete site compromise, data theft, or malware distribution to visitors.
Likely Case
Unauthorized users modify custom CSS/JavaScript settings, causing site defacement, SEO spam injection, or limited functionality disruption.
If Mitigated
With proper WordPress hardening and role-based access controls, impact is limited to authorized user accounts only.
🎯 Exploit Status
Exploitation requires some WordPress access but not administrative privileges. The vulnerability is publicly documented with technical details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.81 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Add Custom Codes' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version 4.81+ from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the Add Custom Codes plugin until patched version can be installed
wp plugin deactivate add-custom-codes
Restrict User Roles
allLimit WordPress user accounts to only necessary roles and review all user permissions
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized POST requests to plugin endpoints
- Enable WordPress security plugins that monitor for unauthorized file modifications and access control violations
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Add Custom Codes. If version is 4.80 or lower, you are vulnerable.Check Version:
wp plugin get add-custom-codes --field=versionVerify Fix Applied:
After updating, verify plugin version shows 4.81 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/admin-ajax.php with action=add_custom_codes_save
- Multiple failed authorization attempts from single IP
- Unexpected modifications to wp-content/plugins/add-custom-codes/ files
Network Indicators:
- HTTP POST requests to WordPress admin endpoints from non-admin user agents
- Unusual traffic patterns to plugin-specific AJAX handlers
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND post_data CONTAINS "add_custom_codes") AND user_role!="administrator"