CVE Catalog

CVE-2026-75873

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Summary

The Zella Theme WordPress theme before version 2.6.3 does not perform any capability or nonce check on one of its font upload actions, which is available to unauthenticated users, allowing them to upload arbitrary files, including PHP ones, and achieve remote code execution.

Risk Assessment

The risk is critical because an unauthenticated attacker can upload malicious PHP files and gain full control over the server, potentially leading to complete site and data takeover.

Recommendation

It is recommended to immediately update the Zella Theme to version 2.6.3 or later, which includes capability and nonce check fixes.

Related vulnerabilities

Original NVD description (English source)

The Zella Theme WordPress theme before 2.6.3 does not perform any capability or nonce check on one of its font upload actions, which is available to unauthenticated users, allowing them to upload arbitrary files, including PHP ones, and achieve remote code execution.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS