Child Themes

Child Themes has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 6.1, and the most serious one scores 6.1 out of 10.

The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).

The one issue recorded for Child Themes has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.

All of these findings were reported by Nguyen Xuan Chien. Child Themes is installed on roughly 60 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 4.8.30.

Strategic Overview

Avg CVSSMedium

6.1/ 10

Patch Coverage0%

Open

Fixed

Get automatic notifications for all Child Themes vulnerabilities before they are exploited.

Most severe open issueCVSS 6.1CVE-2025-52755

Child Themes <= 1.0.1 - Reflected Cross-Site Scripting

Read the full analysis

Vulnerability Records

1 records


2025-08-21 00:00	Child Themes <= 1.0.1 - Reflected Cross-Site Scripting Child Themes <= 1.0.1	`CVE-2025-52755`	6.1 Medium	Nguyen Xuan Chien	No

Showing 1–1 of 1 reports

Plugin Profile

Latestv1.0.1

Child Themes

Author

Chris Taylor

2.5(2)

50/100

Last Updated

2017-11-01 (9y ago)

Active Installs

60+

Downloads

7,761

Requires WP

3.6+

Requires PHP

Tested up to

WP 4.8.30

Created

2014-02-18 (13y ago)

If you’re a WordPress designer who wants to spend more time doing what you love – writing CSS and playing with pixels – and less time doing the tedious chore of creating child themes, this plugin is for you. Just install, visit the “Child Themes” menu option under “Appearance” and create a child theme from any installed theme using a simple form. Your new child theme will be created immediately and you can activate it straight away. How’d you like them apples?

View on WordPress.org