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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-3535 Detail

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).


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://plugins.trac.wordpress.org/browser/dsgvo-google-web-fonts-gdpr/tags/1.1/dsgvo-google-web-fonts-gdpr.php#L159 Wordfence
https://plugins.trac.wordpress.org/browser/dsgvo-google-web-fonts-gdpr/tags/1.1/dsgvo-google-web-fonts-gdpr.php#L46 Wordfence
https://plugins.trac.wordpress.org/browser/dsgvo-google-web-fonts-gdpr/trunk/dsgvo-google-web-fonts-gdpr.php#L159 Wordfence
https://plugins.trac.wordpress.org/browser/dsgvo-google-web-fonts-gdpr/trunk/dsgvo-google-web-fonts-gdpr.php#L46 Wordfence
https://www.wordfence.com/threat-intel/vulnerabilities/id/6203ffaf-5efd-4c66-85f0-cc3a05a03084?source=cve Wordfence

Weakness Enumeration

CWE-ID CWE Name Source
CWE-434 Unrestricted Upload of File with Dangerous Type Wordfence  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-3535
NVD Published Date:
04/08/2026
NVD Last Modified:
04/08/2026
Source:
Wordfence