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CVE-2026-8832

8.8 · HIGH

The WPCode - Insert Headers and Footers + Custom Code Snippets - WordPress Code Manager plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.3.5 This is d…

Published May 27, 2026CWE-94EPSS 1.16%

Overview

CVE-2026-8832 is a high-severity vulnerability. It was published on May 27, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The WPCode - Insert Headers and Footers + Custom Code Snippets - WordPress Code Manager plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.3.5 This is due to the 'wpcode' custom post type being registered without a custom capability_type or capability restrictions in the wpcode_register_post_type() function, allowing WordPress core to fall back to standard post capabilities for all creation paths including XML-RPC. This makes it possible for authenticated attackers, with author-level access and above, to create and publish executable PHP snippet posts via XML-RPC wp.newPost, which are then executed server-side via eval() in the run_eval() function when the snippet is rendered through the [wpcode] shortcode.

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/insert-headers-and-footers/tags/2.3.5/includes/class-wpcode-snippet-execute.php#L374Refplugins.trac.wordpress.org/browser/insert-headers-and-footers/tags/2.3.5/includes/class-wpcode-snippet-execute.php#L415Refplugins.trac.wordpress.org/browser/insert-headers-and-footers/tags/2.3.5/includes/execute/class-wpcode-snippet-execute-php.php#L25Refplugins.trac.wordpress.org/browser/insert-headers-and-footers/tags/2.3.5/includes/post-type.php#L24Refplugins.trac.wordpress.org/browser/insert-headers-and-footers/tags/2.3.5/includes/shortcode.php#L26Refplugins.trac.wordpress.org/changeset/3549060/insert-headers-and-footers/trunk/includes/post-type.phpRefplugins.trac.wordpress.org/changeset?old_path=%2Finsert-headers-and-footers/tags/2.3.5&new_path=%2Finsert-headers-and-footers/tags/2.3.6Refwww.wordfence.com/threat-intel/vulnerabilities/id/75a2e8b1-d5e0-4f7b-a70a-f0aadf58c778?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-8832?

CVE-2026-8832 is a high-severity vulnerability. It was published on May 27, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-8832?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-8832?

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-2026-8832?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-8832 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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