RTL Tester

RTL Tester has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched 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 RTL Tester 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 Nabil Irawan. RTL Tester is installed on roughly 1,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 5.5.20.

Strategic Overview

Avg CVSSMedium

4.3/ 10

Patch Coverage0%

Open

Fixed

Get automatic notifications for all RTL Tester vulnerabilities before they are exploited.

Most severe open issueCVSS 4.3CVE-2025-64239

RTL Tester <= 1.2 - Cross-Site Request Forgery

Read the full analysis

Vulnerability Records

1 records


2025-12-11 00:00	RTL Tester <= 1.2 - Cross-Site Request Forgery RTL Tester <= 1.2	`CVE-2025-64239`	4.3 Medium	Nabil Irawan	No

Showing 1–1 of 1 reports

Latestv1.2

RTL Tester

Author

Yoav Farhi

5.0(20)

100/100

Last Updated

2020-08-11 (6y ago)

Active Installs

1,000+

Downloads

247,949

Requires WP

3.3+

Requires PHP

Tested up to

WP 5.5.20

Created

2010-04-29 (17y ago)

This plugin adds a button to the admin bar that allow admins to switch the text direction of the site. It can be used to test WordPress themes and plugins with Right To Left (RTL) text direction.

View on WordPress.org