CVE-2026-3279— Enable jQuery Migrate Helper <= 1.4.1 - Missing Authorization to Authenticated (Subscriber+) jQuery Version Downgrade
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| clorith | Enable jQuery Migrate Helper | ≤ 1.4.1 | affected |
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I. Basic Information for CVE-2026-3279
Vulnerability Information
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Vulnerability Title
Enable jQuery Migrate Helper <= 1.4.1 - Missing Authorization to Authenticated (Subscriber+) jQuery Version Downgrade
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Enable jQuery Migrate Helper 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Enable jQuery Migrate Helper 1.4.1及之前版本存在安全漏洞，该漏洞源于downgrade_jquery_version函数缺少权限检查，可能导致经过身份验证的用户降级jQuery版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| clorith | Enable jQuery Migrate Helper | 0 ~ 1.4.1 | - |
II. Public POCs for CVE-2026-3279
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-3279 (2)
News Coverage for CVE-2026-3279 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-3279
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