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CVE-2026-104800

9.8 · CRITICAL

The AGE-GATE plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.0 via the 'width (and height)' parameter parameter.

Published Oct 14, 2026CWE-434EPSS 1.03%

Overview

CVE-2026-104800 is a critical-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The AGE-GATE plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.0 via the 'width (and height)' parameter parameter. This is due to missing authentication, capability checks, and nonce verification on the standalone admin.php endpoint, combined with unsanitized injection of POST parameters directly into generated PHP source written to an included file. This makes it possible for unauthenticated attackers to execute code on the server. This is possible because admin.php does not load WordPress and carries no ABSPATH guard, making it a fully unauthenticated entry point regardless of the decorative capability arguments registered via the plugin's simulated menu API.

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/wp-site-age-gate/trunk/admin.phpRefplugins.trac.wordpress.org/browser/wp-site-age-gate/trunk/agegate.php#L161Refplugins.trac.wordpress.org/browser/wp-site-age-gate/trunk/main.php#L213Refplugins.trac.wordpress.org/browser/wp-site-age-gate/trunk/main.php#L279Refplugins.trac.wordpress.org/browser/wp-site-age-gate/trunk/main.php#L291Refplugins.trac.wordpress.org/browser/wp-site-age-gate/trunk/main.php#L325Refplugins.trac.wordpress.org/browser/wp-site-age-gate/trunk/nonwp.php#L20Refwww.wordfence.com/threat-intel/vulnerabilities/id/05db28b4-a3de-402d-bc5b-06d5347d6724?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-104800?

CVE-2026-104800 is a critical-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-104800?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-104800?

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-2026-104800?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-104800 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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