---
id: CVE-2026-4804
title: >-
  The Zakra theme for WordPress is vulnerable to Stored Cross-Site Scripting via
  post meta values in all versions up to, and including, 4.2.0
summary: >-
  The Zakra theme for WordPress is vulnerable to Stored Cross-Site Scripting via
  post meta values in all versions up to, and including, 4.2.0. This is due to
  the theme registering three post meta fields (zakra_menu_item_color,
  zakra_menu_i…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-07-03'
updated: '2026-07-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-4804'
references:
  - url: >-
      https://themes.trac.wordpress.org/changeset?reponame=&new=330192%40zakra%2F4.2.1&old=297420%40zakra%2F4.2.0#file39
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/bbda67a3-0413-4d8e-8157-84c9c87b8695?source=cve
    label: security@wordfence.com
tags:
  - nvd
ingestedAt: '2026-07-04T07:55:53.792Z'
epss: 0.00283
epssPercentile: 0.21085
---

## Overview

The Zakra theme for WordPress is vulnerable to Stored Cross-Site Scripting via post meta values in all versions up to, and including, 4.2.0. This is due to the theme registering three post meta fields (zakra_menu_item_color, zakra_menu_item_hover_color, and zakra_menu_item_active_color) with 'show_in_rest' => true and 'auth_callback' => '__return_true', but without any sanitize_callback parameter in the register_post_meta() calls. While the classic editor save path applies sanitize_hex_color() sanitization, the REST API path completely bypasses this protection. The unsanitized meta values are then retrieved via get_post_meta() and concatenated directly into CSS strings that are output through wp_add_inline_style() without any escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected page.

## Remediation

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