CVE-2026-2028— Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter
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I. Basic Information for CVE-2026-2028
Vulnerability Information
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Vulnerability Title
Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin MaxiBlocks Builder 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 MaxiBlocks Builder 2.1.8及之前版本存在安全漏洞，该漏洞源于对maxi_remove_custom_image_size AJAX操作的文件所有权验证不足，可能导致经过身份验证的攻击者删除wp-
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 |
|---|---|---|---|---|
| ckp267 | MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites | 0 ~ 2.1.8 | - |
II. Public POCs for CVE-2026-2028
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-2028
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