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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
clorith Enable jQuery Migrate Helper unaffected
Version Status Constraints
0 affected ≤ 1.4.1

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Wed, 27 May 2026 08:00:00 +0000

Type Values Removed Values Added
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.
Title Enable jQuery Migrate Helper <= 1.4.1 - Missing Authorization to Authenticated (Subscriber+) jQuery Version Downgrade
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-05-27T06:46:15.453Z

Reserved: 2026-02-26T16:20:26.575Z

Link: CVE-2026-3279

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-27T08:16:40.573

Modified: 2026-05-27T08:16:40.573

Link: CVE-2026-3279

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-27T09:30:27Z

Weaknesses