CVE-2026-24991

5.3 MEDIUM

📋 TL;DR

This CVE describes an Insecure Direct Object Reference (IDOR) vulnerability in the Extensions For CF7 WordPress plugin. It allows attackers to bypass authorization by manipulating user-controlled keys to access unauthorized data or functions. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Extensions For CF7 WordPress plugin
Versions: All versions up to and including 3.4.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin activated. No special configuration needed 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

Attackers could access, modify, or delete sensitive form submission data, user information, or plugin settings, potentially leading to data breach or site compromise.

🟠

Likely Case

Unauthorized access to contact form submissions containing personal data, messages, or other sensitive information submitted through forms.

🟢

If Mitigated

With proper access controls and input validation, impact would be limited to attempted unauthorized access that gets blocked.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some level of access (authenticated user), but the vulnerability is straightforward to exploit once access is obtained.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 3.4.0

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/extensions-for-cf7/vulnerability/wordpress-extensions-for-cf7-plugin-3-4-0-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Extensions For CF7' and check if update is available. 4. Click 'Update Now' to install latest version. 5. Verify plugin version is greater than 3.4.0.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the Extensions For CF7 plugin until patched

wp plugin deactivate extensions-for-cf7

Restrict plugin access

all

Implement web application firewall rules to restrict access to plugin endpoints

🧯 If You Can't Patch

  • Implement strict access controls and input validation at application layer
  • Monitor logs for unauthorized access attempts to plugin endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins, find Extensions For CF7 and verify version is 3.4.0 or lower

Check Version:

wp plugin get extensions-for-cf7 --field=version

Verify Fix Applied:

After update, verify plugin version shows greater than 3.4.0 in WordPress plugins list

📡 Detection & Monitoring

Log Indicators:

  • Unusual access patterns to /wp-content/plugins/extensions-for-cf7/ endpoints
  • Multiple failed authorization attempts followed by successful access

Network Indicators:

  • HTTP requests to plugin endpoints with manipulated parameters
  • Unusual traffic to contact form submission endpoints

SIEM Query:

source="wordpress.log" AND ("extensions-for-cf7" OR "cf7-extensions") AND (status=200 OR status=403) AND user_agent NOT IN ["normal_user_agents"]

🔗 References

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