Theme Changer

Theme Changer has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it is fixed as of September 2026. Their average CVSS score is 4.3, and the most serious one scores 4.3 out of 10.

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

The one issue recorded for Theme Changer has a vendor fix available, so running the current release closes it.

All of these findings were reported by ch4r0n. Theme Changer is installed on roughly 100 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.8.8.

Strategic Overview

Avg CVSSMedium

4.3/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Theme Changer vulnerabilities before they are exploited.

Highest severity on recordCVSS 4.3CVE-2025-39438

Theme Changer <= 1.4 - Cross-Site Request Forgery

Read the full analysis

Vulnerability Records

1 records


2025-04-17 00:00	Theme Changer <= 1.4 - Cross-Site Request Forgery Theme Changer <= 1.4	`CVE-2025-39438`	4.3 Medium	ch4r0n	Yes

Showing 1–1 of 1 reports

Plugin Profile

Latestv1.6

Theme Changer

Author

momen2009

5.0(1)

100/100

Last Updated

2025-04-24 (1y ago)

Active Installs

100+

Downloads

3,438

Requires WP

3.0+

Requires PHP

Tested up to

WP 6.8.8

Created

2014-12-28 (12y ago)

Easy theme change in the get parameter. Can be used theme to demo. this to be a per-session only change, and one that everyone (all visitors) can use. How to use I just enter the following URL. It’s easy. http://wordpress_install_domain/?theme_changer=theme_folder_name

View on WordPress.org