CVE-2026-3279
Unauthorized jQuery Version Downgrade in Enable jQuery Migrate Helper
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| enable | jquery_migrate_helper | to 1.4.1 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The Enable jQuery Migrate Helper plugin for WordPress has a vulnerability due to a missing capability check in the function downgrade_jquery_version(). This function only verifies a nonce but does not check if the user has the proper permissions.
As a result, authenticated users with Subscriber-level access or higher can exploit this flaw to downgrade the site-wide jQuery version from 3.7.1 to an older legacy version 1.12.4-wp, which contains known security vulnerabilities.
How can this vulnerability impact me? :
This vulnerability allows attackers with low-level authenticated access to downgrade the jQuery version used by the WordPress site to an older, insecure version.
Downgrading to jQuery 1.12.4-wp exposes the site to known security issues present in that legacy version, potentially enabling further attacks or exploitation.
Although it does not directly compromise confidentiality or availability, it can lead to unauthorized modification of data and increase the risk of further security breaches.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability allows authenticated users with Subscriber-level access and above to downgrade the site-wide jQuery version to an older release with known security vulnerabilities. This unauthorized modification of data and introduction of insecure components could potentially lead to increased risk of data integrity issues or exploitation.
However, the provided information does not explicitly describe the direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should update the Enable jQuery Migrate Helper plugin to a version later than 1.4.1 where the missing capability check on the downgrade_jquery_version() function is fixed.
Additionally, restrict user roles to prevent Subscriber-level or higher users from triggering the downgrade functionality until the plugin is updated.