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Security Alerts

CVE-2026-3535: Arbitrary file upload in WordPress

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, a...

Summary

ParameterValue
CVE IDCVE-2026-3535
Alert SourceGitHub Advisory - Critical Vulnerability
CVE Publication Year2026
Date Published2026-04-08
VendorWordPress
ProductWordPress
CVSS Score9.8 (critical)
EPSS ScoreNo data
CISA KEVNo
RansomwareNot confirmed

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 fo…

Required Actions

Apply vendor patches or mitigations as soon as available.

Who Is Affected?

This vulnerability affects WordPress by WordPress. Check if your organization uses this software and requires updates.

Sources


Need help securing your systems? nFlo team offers vulnerability management and 24/7 SOC services. Contact us.

How can nFlo help?

If your organization uses products affected by this vulnerability, contact us. We can help with:

  • Verifying whether your systems are at risk
  • Implementing patches and risk mitigation
  • Monitoring for exploitation attempts in your environment

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