CVE-2026-3279

The Enable jQuery Migrate Helper plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `downgrade_jquery_version()` function in all versions up to, and including, 1.4.1. This is due to the function only verifying a nonce without checking user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to downgrade the site-wide jQuery version from 3.7.1 to the legacy 1.12.4-wp release, which has knowns security vulnerabilities.

• CWE-862

• https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/tags/1.4.1/class-jquery-migrate-helper.php#L225
• https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/tags/1.4.1/class-jquery-migrate-helper.php#L256
• https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/trunk/class-jquery-migrate-helper.php#L225
• https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/trunk/class-jquery-migrate-helper.php#L256
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1a74d5f4-1dd8-4d49-b4ce-8ba7ac9cbcc7?source=cve

Published

May 27, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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