Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/tags/1.4
- https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/tags/1.4
- https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/trunk/cl
- https://plugins.trac.wordpress.org/browser/enable-jquery-migrate-helper/trunk/cl
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1a74d5f4-1dd8-4d49-b4c
FAQ
What is CVE-2026-3279?
CVE-2026-3279 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...
How severe is CVE-2026-3279?
CVE-2026-3279 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3279?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.