CVE-2026-25407

4.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Cookiebot WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. It affects WordPress sites using Cookiebot plugin versions up to and including 4.6.4, potentially allowing unauthorized access to administrative functions.

💻 Affected Systems

Products:
  • Cookiebot WordPress Plugin
Versions: n/a through <= 4.6.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with Cookiebot plugin installed and active.

⚠️ 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 gain administrative access to WordPress sites, modify plugin settings, inject malicious code, or compromise site integrity.

🟠

Likely Case

Unauthorized users could modify cookie consent settings, potentially violating privacy regulations or altering site functionality.

🟢

If Mitigated

With proper access controls and authentication requirements, impact would be limited to authorized users only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Missing authorization vulnerabilities typically require minimal technical skill to exploit once identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.6.5 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/cookiebot/vulnerability/wordpress-cookiebot-plugin-4-6-3-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Cookiebot plugin
4. Click 'Update Now' if available
5. Alternatively, download latest version from WordPress repository and manually update

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable Cookiebot plugin until patched version can be installed

wp plugin deactivate cookiebot

Access Restriction via .htaccess

linux

Restrict access to WordPress admin area to trusted IP addresses only

Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
Allow from 10.0.0.0/8

🧯 If You Can't Patch

  • Implement strict network access controls to WordPress admin interface
  • Enable WordPress security plugins with access control features

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Cookiebot version number

Check Version:

wp plugin list --name=cookiebot --field=version

Verify Fix Applied:

Verify Cookiebot plugin version is 4.6.5 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to Cookiebot admin endpoints
  • Multiple failed authentication attempts followed by successful access

Network Indicators:

  • HTTP requests to /wp-admin/admin-ajax.php with cookiebot-related actions from unauthorized IPs

SIEM Query:

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

🔗 References

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