CVE-2024-50485

9.8 CRITICAL

📋 TL;DR

This vulnerability allows attackers to escalate privileges in the Exam Matrix WordPress plugin due to incorrect privilege assignment. Attackers can gain administrative access to affected WordPress sites. All WordPress sites running Exam Matrix plugin versions up to 1.5 are affected.

💻 Affected Systems

Products:
  • WordPress Exam Matrix Plugin
Versions: n/a through 1.5
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with vulnerable plugin versions regardless of configuration.

⚠️ 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 compromise of WordPress site with administrative access, allowing data theft, defacement, malware installation, and further network penetration.

🟠

Likely Case

Attackers gain administrative privileges to modify content, install malicious plugins/themes, steal sensitive data, and maintain persistent access.

🟢

If Mitigated

Limited impact if proper access controls, monitoring, and network segmentation are in place to detect and contain privilege escalation attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Privilege escalation vulnerabilities in WordPress plugins are commonly exploited. Requires some level of access to initiate.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/exam-matrix/wordpress-exam-matrix-plugin-1-5-privilege-escalation-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Exam Matrix plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and delete plugin, then install latest version from WordPress repository.

🔧 Temporary Workarounds

Disable Exam Matrix Plugin

all

Temporarily disable the vulnerable plugin until patched version is available.

wp plugin deactivate exam-matrix

Restrict User Role Capabilities

all

Use role management plugins to restrict non-admin user capabilities and monitor for privilege changes.

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate WordPress instance from critical systems
  • Enable detailed user activity logging and implement SIEM alerts for privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Exam Matrix version 1.5 or earlier.

Check Version:

wp plugin get exam-matrix --field=version

Verify Fix Applied:

Verify Exam Matrix plugin version is 1.6 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected user role changes in WordPress logs
  • Administrative actions from non-admin users
  • Plugin activation/deactivation events

Network Indicators:

  • Unusual admin panel access patterns
  • Multiple failed login attempts followed by successful admin access

SIEM Query:

source="wordpress.log" AND ("user_role_changed" OR "capabilities_modified" OR "admin_login" from non-admin_user)

🔗 References

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