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CVE-2026-3535— DSGVO Google Web Fonts GDPR <= 1.1 - Unauthenticated Arbitrary File Upload via 'fonturl' Parameter

Quick assessment

Affected
mlfactory DSGVO Google Web Fonts GDPR
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 DSGVO Google Web Fonts GDPR 1.1及之前版本存在代码问题漏洞，该漏洞源于缺少文件类型验证，可能导致未经身份验证的攻击者上传任意文件，进而引发远程代码执行。

CVSS 9.8 · Critical EPSS 1.34% · P71
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I. Basic Information for CVE-2026-3535

Vulnerability Information
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Vulnerability Title
DSGVO Google Web Fonts GDPR <= 1.1 - Unauthenticated Arbitrary File Upload via 'fonturl' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The DSGVO Google Web Fonts GDPR plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the `DSGVOGWPdownloadGoogleFonts()` function in all versions up to, and including, 1.1. The function is exposed via a `wp_ajax_nopriv_` hook, requiring no authentication. It fetches a user-supplied URL as a CSS file, extracts URLs from its content, and downloads those files to a publicly accessible directory without validating the file type. This makes it possible for unauthenticated attackers to upload arbitrary files including PHP webshells, leading to remote code execution. The exploit requires the site to use one of a handful of specific themes (twentyfifteen, twentyseventeen, twentysixteen, storefront, salient, or shapely).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin DSGVO Google Web Fonts GDPR 代码问题漏洞
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 DSGVO Google Web Fonts GDPR 1.1及之前版本存在代码问题漏洞，该漏洞源于缺少文件类型验证，可能导致未经身份验证的攻击者上传任意文件，进而引发远程代码执行。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
mlfactory DSGVO Google Web Fonts GDPR 0 ~ 1.1 -

II. Public POCs for CVE-2026-3535

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III. Intelligence Information for CVE-2026-3535

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IV. Related Vulnerabilities

Same vendor: mlfactory
Same weakness: CWE-434

V. Comments for CVE-2026-3535

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