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CVE-2026-12409

4.3 · MEDIUM

The Landing Page Builder – Coming Soon page, Maintenance Mode, Lead Page, WordPress Landing Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and includi…

Published Jul 16, 2026CWE-352EPSS 0.19%

Overview

CVE-2026-12409 is a medium-severity vulnerability. It was published on July 16, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Landing Page Builder – Coming Soon page, Maintenance Mode, Lead Page, WordPress Landing Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.5.3.6. This is due to missing or incorrect nonce validation on the ulpb_admin_ajax function. This makes it possible for unauthenticated attackers to create, update, retitle, or change the post status, slug, and type of arbitrary posts and write ULPB_DATA post meta via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. This attack requires the victim to hold an editor-level or administrator session, as the wp_ajax_ulpb_admin_data action enforces a capability check that the forged request must satisfy by inheriting the logged-in user's session cookies.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/page-builder-add/tags/1.5.3.5/admin/classes/ajax-requests-class.php#L111Refplugins.trac.wordpress.org/browser/page-builder-add/tags/1.5.3.5/admin/classes/ajax-requests-class.php#L19Refplugins.trac.wordpress.org/browser/page-builder-add/tags/1.5.3.6/admin/classes/ajax-requests-class.php#L111Refplugins.trac.wordpress.org/browser/page-builder-add/tags/1.5.3.6/admin/classes/ajax-requests-class.php#L19Refplugins.trac.wordpress.org/changeset?reponame=&old=3444409%40page-builder-add&new=3444409%40page-builder-addRefwww.wordfence.com/threat-intel/vulnerabilities/id/a2b2dd36-eca8-4d80-80f5-783f9402dd3c?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-12409?

CVE-2026-12409 is a medium-severity vulnerability. It was published on July 16, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-12409?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-12409?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-12409?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-12409 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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