WordPress DSGVO Google Web Fonts GDPR plugin <= 1.1 - Unauthenticated Arbitrary File Upload via 'fonturl' Parameter vulnerability

Unauthenticated Arbitrary File Upload via 'fonturl' Parameter vulnerability discovered by Nabil Irawan - Heroes Cyber Security in WordPress Plugin DSGVO Google Web Fonts GDPR versions = 1.1...

CVE-2026-3535

The CVE concerns the DSGVO Google Web Fonts GDPR WordPress plugin. All versions up to 1.1 are vulnerable due to missing file type validation in the DSGVOGWPdownloadGoogleFonts() function. The function, exposed via a wp_ajax_nopriv_ hook (no authentication), fetches a user-supplied URL as a CSS fi...

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

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 wpajaxnopriv hook, requiring no authentication. It...