CVE-2026-2608
📋 TL;DR
This vulnerability in the Kadence Blocks WordPress plugin allows authenticated users with Contributor-level access or higher to perform unauthorized actions due to a missing capability check. It affects all versions up to and including 3.5.32. Attackers could potentially publish posts or perform other administrative actions without proper authorization.
💻 Affected Systems
- Kadence Blocks — Page Builder Toolkit for Gutenberg Editor WordPress plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
An attacker with Contributor access could publish malicious content, modify site settings, or escalate privileges to gain full administrative control of the WordPress site.
Likely Case
Authenticated attackers publish unauthorized posts or content, potentially spreading malware, phishing links, or defacing the website.
If Mitigated
With proper user role management and monitoring, impact is limited to unauthorized content publication that can be quickly detected and reverted.
🎯 Exploit Status
Exploitation requires authenticated access with at least Contributor privileges. The vulnerability is well-documented and likely to be exploited.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.6.0
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?old_path=/kadence-blocks/tags/3.5.32&new_path=/kadence-blocks/tags/3.6.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Kadence Blocks plugin. 4. Click 'Update Now' if available, or manually update to version 3.6.0 or later.
🔧 Temporary Workarounds
Temporarily disable plugin
allDisable the Kadence Blocks plugin until it can be updated to a secure version.
wp plugin deactivate kadence-blocks
Restrict user roles
linuxTemporarily remove Contributor and Author roles from untrusted users.
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Implement strict user role management and review all users with Contributor access or higher
- Enable comprehensive logging and monitoring for unauthorized content publication or plugin actions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Kadence Blocks version. If version is 3.5.32 or lower, system is vulnerable.
Check Version:
wp plugin get kadence-blocks --field=version
Verify Fix Applied:
Verify Kadence Blocks plugin version is 3.6.0 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized post publications by Contributor users
- Plugin function calls from non-admin users
- Unexpected content changes
Network Indicators:
- HTTP POST requests to plugin-specific endpoints from non-admin users
SIEM Query:
source="wordpress" AND (event="post_published" AND user_role="contributor") OR (plugin="kadence-blocks" AND user_role!="administrator")
🔗 References
- https://plugins.trac.wordpress.org/changeset?old_path=/kadence-blocks/tags/3.5.32&new_path=/kadence-blocks/tags/3.6.0&sfp_email=&sfph_mail=
- https://vdp.patchstack.com/database/wordpress/plugin/kadence-blocks/vulnerability/wordpress-gutenberg-blocks-with-ai-by-kadence-wp-plugin-3-5-32-incorrect-authorization-to-authenticated-contributor-post-publication-vulnerability
- https://www.wordfence.com/threat-intel/vulnerabilities/id/05dd1686-76e3-498b-80b8-c4befc545fc8?source=cve