CVE-2025-2933

8.8 HIGH

📋 TL;DR

The Email Notifications for Updates WordPress plugin has a privilege escalation vulnerability that allows authenticated attackers with Subscriber-level access or higher to modify WordPress site options. This can be exploited to change the default user registration role to Administrator and enable user registration, granting attackers full administrative control. All WordPress sites using this plugin version 1.1.6 or earlier are affected.

💻 Affected Systems

Products:
  • WordPress Email Notifications for Updates plugin
Versions: All versions up to and including 1.1.6
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin activated. Any authenticated user (Subscriber role or higher) can exploit this vulnerability.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain full administrative control of the WordPress site, allowing them to install backdoors, steal data, deface the site, or use it for further attacks.

🟠

Likely Case

Attackers create administrator accounts for themselves, then use those accounts to compromise the site, install malware, or exfiltrate sensitive data.

🟢

If Mitigated

With proper access controls and monitoring, the attack would be detected during the privilege escalation attempt, limiting damage to unauthorized configuration changes.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once an attacker has any WordPress user account. The vulnerability is well-documented in security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.1.7 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3265589%40wp-update-mail-notification&new=3265589%40wp-update-mail-notification

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Email Notifications for Updates'. 4. Click 'Update Now' if available, or delete and reinstall the latest version. 5. Verify the plugin version is 1.1.7 or higher.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Email Notifications for Updates plugin until it can be updated

wp plugin deactivate wp-update-mail-notification

Restrict user registration

all

Disable user registration in WordPress settings to prevent attackers from creating new accounts

🧯 If You Can't Patch

  • Remove the plugin entirely if updating is not possible
  • Implement strict access controls and monitor for unauthorized configuration changes to user roles and registration settings

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins → Email Notifications for Updates. If version is 1.1.6 or lower, the site is vulnerable.

Check Version:

wp plugin get wp-update-mail-notification --field=version

Verify Fix Applied:

After updating, verify the plugin shows version 1.1.7 or higher in the WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized modifications to wp_options table
  • Changes to default_role or users_can_register settings
  • New administrator accounts created unexpectedly

Network Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=awun_import_settings from non-admin users

SIEM Query:

source="wordpress" AND (event="option_update" AND (option_name="default_role" OR option_name="users_can_register")) OR (event="user_registration" AND user_role="administrator")

🔗 References

📤 Share & Export