CVE-2025-3417
📋 TL;DR
The Embedder WordPress plugin (versions 1.3-1.3.5) contains a missing capability check that allows authenticated users with Subscriber-level access or higher to modify arbitrary WordPress site options. Attackers can exploit this to change the default user registration role to Administrator and enable user registration, gaining full administrative control. Any WordPress site using vulnerable versions of the Embedder plugin is affected.
💻 Affected Systems
- WordPress Embedder 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 site compromise - attackers gain administrative access, can deface the site, steal data, install backdoors, or use the site for further attacks.
Likely Case
Administrative account creation leading to site takeover, data theft, and malware installation.
If Mitigated
Limited impact if proper access controls, monitoring, and network segmentation are in place to detect and contain the attack.
🎯 Exploit Status
Exploitation requires authenticated access (Subscriber or higher). The vulnerability is simple to exploit once an attacker has valid credentials.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.6
Vendor Advisory: https://plugins.trac.wordpress.org/browser/embedder/trunk/emb-admin-ajax.php#L41
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Embedder plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.3.6+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable Embedder Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate embedder
Restrict User Registration
allEnsure user registration is disabled in WordPress settings.
🧯 If You Can't Patch
- Implement strict access controls and monitor for suspicious user activity.
- Use web application firewall (WAF) rules to block requests to vulnerable ajax endpoints.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Embedder plugin version. If version is between 1.3 and 1.3.5 inclusive, the system is vulnerable.Check Version:
wp plugin get embedder --field=versionVerify Fix Applied:
Verify Embedder plugin version is 1.3.6 or higher after update.📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-admin/admin-ajax.php with action=embedder_set_global_option from non-admin users
- Unexpected changes to wp_options table, particularly default_role or users_can_register
Network Indicators:
- HTTP POST requests containing 'embedder_set_global_option' parameter
SIEM Query:
source="wordpress.log" AND "admin-ajax.php" AND "embedder_set_global_option"