CVE-2024-11323

8.8 HIGH

📋 TL;DR

The AI Quiz WordPress plugin has a privilege escalation vulnerability that allows authenticated users with Subscriber-level access or higher to modify WordPress site options. Attackers can change the default user registration role to administrator and enable user registration, gaining full administrative control. All WordPress sites using AI Quiz plugin versions 1.1 and earlier are affected.

💻 Affected Systems

Products:
  • AI Quiz | Quiz Maker WordPress Plugin
Versions: All versions up to and including 1.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin activated. User registration does not need to be enabled initially for exploitation.

⚠️ 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

Complete site takeover where attackers gain administrative access, install backdoors, steal data, deface the site, or use it for further attacks.

🟠

Likely Case

Attackers create administrator accounts and gain persistent access to vulnerable WordPress sites for malicious purposes.

🟢

If Mitigated

Minimal impact if proper access controls, monitoring, and regular updates are implemented.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and the exploit requires only subscriber-level access which is commonly available.
🏢 Internal Only: MEDIUM - Internal WordPress installations could still be vulnerable if users have subscriber access, but attack surface is reduced.

🎯 Exploit Status

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

Exploit requires authenticated access (subscriber or higher). The vulnerability is well-documented with public proof-of-concept available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/ai-quiz/tags/1.2

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'AI Quiz | Quiz Maker' and click 'Update Now'. 4. Alternatively, delete the plugin and install version 1.2+ from WordPress repository.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the AI Quiz plugin until patched

wp plugin deactivate ai-quiz

Restrict user registration

all

Disable new user registration in WordPress settings

🧯 If You Can't Patch

  • Remove the plugin completely and use alternative quiz solutions
  • Implement strict access controls and monitor for suspicious user activity

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → AI Quiz version. If version is 1.1 or earlier, you are vulnerable.

Check Version:

wp plugin get ai-quiz --field=version

Verify Fix Applied:

After updating, verify plugin version shows 1.2 or later in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected modifications to wp_options table
  • New administrator user creation
  • Changes to default_role or users_can_register options

Network Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=ai_quiz_update_style
  • Suspicious user registration attempts

SIEM Query:

source="wordpress" AND (event="option_update" AND option_name IN ("default_role", "users_can_register")) OR (event="user_registered" AND user_role="administrator")

🔗 References

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