WordPress Vulnerability Report: November 2021, Part 3

Vulnerable plugins and themes are the #1 reason WordPress websites get hacked. The weekly WordPress Vulnerability Report powered by WPScan covers recent WordPress plugin, theme, and core vulnerabilities, and what to do if you run one of the vulnerable plugins or themes on your website.

Each vulnerability will have a severity rating of Low, Medium, High, or Critical. Responsible disclosure and reporting of vulnerabilities is an integral part of keeping the WordPress community safe.

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WordPress Core Vulnerabilities

The latest version of WordPress core is 5.8.2. As a best practice, always be sure to run the latest version of WordPress core!

1. WordPress

Vulnerability: Expired DST Root CA X3 Certificate
Patched in Version: 5.8.2
Explanation:The wp-includes/certificates/ca-bundle.crt file contains a DST Root CA X3 which expired on September 30th, 2021, raising security warning in some cases.

The vulnerability has been patched, so make sure you are running WordPress 5.8.2.

WordPress Plugin Vulnerabilities

In this section, the latest WordPress plugin vulnerabilities have been disclosed. Each plugin listing includes the type of vulnerability, the version number if patched, and the severity rating.

1. Registrations for the Events Calendar

Plugin: Registrations for the Events Calendar
Vulnerability: Unauthenticated SQL Injection
Patched in Version: 2.7.6
Severity Score: High

The vulnerability is patched, so you should update to version 2.7.6.

2. LoginWP

Plugin: LoginWP
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 3.0.0.5
Severity Score: High

The vulnerability is patched, so you should update to version 3.0.0.5.

3. WooCommerce Currency Switcher

Plugin: WooCommerce Currency Switcher
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.3.7.1
Severity Score: Medium

The vulnerability is patched, so you should update to version 1.3.7.1.

4. Secure Copy Content Protection and Content Locking

Plugin: Secure Copy Content Protection and Content Locking
Vulnerability: Subscriber+ Email Address Disclosure
Patched in Version: 2.8.2
Severity Score: High

The vulnerability is patched, so you should update to version 2.8.2.

5. Bookly

Plugin: Bookly
Vulnerability: Staff Member Stored Cross-Site Scripting
Patched in Version: 20.3.1
Severity Score: Medium

The vulnerability is patched, so you should update to version 20.3.1.

6. Email Log

Plugin: Email Log
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 2.4.8
Severity Score: High

The vulnerability is patched, so you should update to version 2.4.8.

7. Tawk.to Live Chat

Plugin: Tawk.to Live Chat
Vulnerability: Subscriber+ Visitor Monitoring & Chat Removal
Patched in Version: 0.6.0
Severity Score: High

The vulnerability is patched, so you should update to version 0.6.0.

8. WP Data Access

Plugin: WP Data Access
Vulnerability: Admin+ SQL Injection
Patched in Version: 5.0.0
Severity Score: High

The vulnerability is patched, so you should update to version 5.0.0.

9. PDF.js Viewer

Plugin: PDF.js Viewer
Vulnerability: Contributor+ Stored Cross-Site Scripting
Patched in Version: 2.0.2
Severity Score: Medium

The vulnerability is patched, so you should update to version 2.0.2.

10. Backup and Restore

Plugin: Backup and Restore
Vulnerability: Admin+ Arbitrary File Deletion
Patched in Version: No known fix
Severity Score: Medium

This vulnerability has NOT been patched. Uninstall and delete the plugin until a patch is released.

11. LearnPress

Plugin: LearnPress
Vulnerability: Admin+ SQL Injection
Patched in Version: 4.1.4
Severity Score: Medium

The vulnerability is patched, so you should update to version 4.1.4.

12. Get Custom Field Values

Plugin: Get Custom Field Values
Vulnerability: Contributor+ Stored Cross-Site Scripting
Patched in Version: 4.0.1
Severity Score: Medium

The vulnerability is patched, so you should update to version 4.0.1.

13. Booking Package

Plugin: Booking Package
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.5.11
Severity Score: Medium

The vulnerability is patched, so you should update to version 1.5.11.

14. Like Button Rating

Plugin: Like Button Rating
Vulnerability: Unauthorised Vote Export to Email & IP Addresses Disclosure
Patched in Version: 2.6.38
Severity Score: High

The vulnerability is patched, so you should update to version 2.6.38.

15. Caldera Forms

Plugin: Caldera Forms
Vulnerability: Admin+ Stored Cross-Site Scripting
Patched in Version: 1.9.5
Severity Score: Low

The vulnerability is patched, so you should update to version 1.9.5.

16. Starter Templates

Plugin: Starter Templates
Vulnerability: Contributor+ Block Import to Stored XSS
Patched in Version: 2.7.1
Severity Score: High

The vulnerability is patched, so you should update to version 2.7.1.

17. Contact Form Email

Plugin: Contact Form Email
Vulnerability: Admin+ Stored Cross-Site Scripting
Patched in Version: 1.3.25
Severity Score: Low

The vulnerability is patched, so you should update to version 1.3.25.

18. Video Gallery – Vimeo and YouTube Gallery

Plugin: Video Gallery – Vimeo and YouTube Gallery
Vulnerability: Admin+ Stored Cross-Site Scripting
Patched in Version: 1.1.5
Severity Score: Low

The vulnerability is patched, so you should update to version 1.1.5.

Plugin: WordPress Popular Posts
Vulnerability: Admin+ Stored Cross-Site Scripting
Patched in Version: 5.3.4
Severity Score: Low

The vulnerability is patched, so you should update to version 5.3.4.

How to Protect Your WordPress Website From Vulnerable Plugins and Themes

As you can see from this report, lots of new WordPress plugin and theme vulnerabilities are disclosed each week. We know it can be difficult to stay on top of every reported vulnerability disclosure, so the iThemes Security Pro plugin makes it easy to make sure your site isn’t running a theme, plugin, or WordPress core version with a known vulnerability.

1. Install the iThemes Security Pro Plugin

The iThemes Security Pro plugin hardens your WordPress site against the most common ways that websites get hacked. With 30+ ways to secure your site in one easy to use plugin.

2. Enable the Site Scan to Check for Known Vulnerabilities

The Version Management feature in iThemes Security Pro integrates with the Site Scan to protect your site. Vulnerable themes, plugins and WordPress core versions will be automatically updated for you.

3. Monitor File Changes

The key to quickly spotting a security breach is monitoring file changes on your website. The File Change Detection feature in iThemes Security Pro will scan your website’s files and alert you when changes occur on your website.

Get iThemes Security Pro with 24/7 Website Security Monitoring

iThemes Security Pro, our WordPress security plugin, offers 50+ ways to secure and protect your website from common WordPress security vulnerabilities. With WordPress, two-factor authentication, brute force protection, strong password enforcement, and more, you can add extra layers of security to your website.

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iThemes Editorial Team

Each week, the team at iThemes team publishes new WordPress tutorials and resources, including the Weekly WordPress Vulnerability Report. Since 2008, iThemes has been dedicated to helping you build, maintain, and secure WordPress sites for yourself or for clients. Our mission? Make People’s Lives Awesome.

WordPress Vulnerability Report: November 2021, Part 3