---
id: CVE-2026-75873
title: >-
  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 …
summary: >-
  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 …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
product: Zella Theme
affected:
  - zella_theme < 2.6.3
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:28:31.510'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75873'
references:
  - url: 'https://wpscan.com/vulnerability/15b8a6cb-f89c-4d4d-9812-441e822c647f/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00569
epssPercentile: 0.46951
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-30T13:27:25.773310Z'
ingestedAt: '2026-09-30T06:58:55.550Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
