CVE-2024-31274

5.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the WordPress EmbedPress plugin that allows unauthorized users to perform actions intended only for authenticated users. It affects all WordPress sites running EmbedPress versions up to 3.9.11. Attackers can exploit this to modify plugin settings or potentially access restricted functionality.

💻 Affected Systems

Products:
  • WordPress EmbedPress Plugin
Versions: All versions up to and including 3.9.11
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with vulnerable EmbedPress versions installed and activated.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Unauthenticated attackers could modify plugin configurations, embed malicious content, or potentially chain with other vulnerabilities to gain administrative access or execute arbitrary code.

🟠

Likely Case

Unauthorized users could change embed settings, inject unwanted content into pages, or disrupt normal plugin functionality.

🟢

If Mitigated

With proper network segmentation and least privilege access controls, impact would be limited to the WordPress application layer only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.9.12 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/embedpress/wordpress-embedpress-plugin-3-9-11-broken-access-control-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin dashboard
2. Navigate to Plugins > Installed Plugins
3. Find EmbedPress and click 'Update Now'
4. Verify version is 3.9.12 or higher

🔧 Temporary Workarounds

Disable EmbedPress Plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate embedpress

Restrict Access via Web Application Firewall

all

Block unauthorized access to EmbedPress endpoints

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can reach the WordPress admin interface
  • Enable WordPress security plugins that monitor for unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin dashboard > Plugins > Installed Plugins for EmbedPress version

Check Version:

wp plugin get embedpress --field=version

Verify Fix Applied:

Confirm EmbedPress version is 3.9.12 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to EmbedPress endpoints
  • Unexpected changes to embedpress_* options in database

Network Indicators:

  • Unusual traffic to /wp-admin/admin-ajax.php with embedpress-related actions

SIEM Query:

source="wordpress.log" AND ("embedpress" OR "admin-ajax") AND status=200 AND user="unauthenticated"

🔗 References

📤 Share & Export