WordPress Vulnerability Report: December 2021, Part 4
Last Updated on November 10, 2021
Vulnerable plugins and themes are the #1 reason WordPress websites get hacked. This post 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. Please share this post with your friends to help get the word out and make WordPress safer for everyone.
Is Your WordPress Website Secure?
DID YOU KNOW – A staggering 83% of WordPress websites are not upgraded or updated, is your website one of these?
Hacks happen due to lack of website upkeep and protection, like updating WordPress or plugins, plus using weak passwords. Contrary to popular belief, web designers and website hosting companies are not responsible for the security of your WordPress website; you are. It’s like using your computer without Anti-virus!
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!
WordPress Plugin Vulnerabilities
1. All In One SEO
2. Smash Balloon Social Post Feed
3. Modern Events Calendar Lite
4. WOOCS
5. Crisp Live Chat
6. Image Hover Effects Ultimate
7. WP Booking System – Booking Calendar
8. Landing Page Builder
9. Fathom Analytics
10. True Ranker
WordPress Plugin: Plugin Closed:
11. Comment Engine Pro
12. .htaccess Redirect
13. Parsian Bank Gateway for Woocommerce
14. Real WYSIWYG
15. Link List Manager
16. Simple Image Gallery
17. WooCommerce EnvioPack
18. Magic Post Voice
19. H5P CSS Editor
20. duoFAQ
21. Magic Post Voice
22. WooCommerce myghpay Payment Gateway
Premium Plugin Vulnerabilities
23. The Plus Addons for Elementor Pro
24. Lets Box
25. Share One Drive
26. Out of the Box
27. Use Your Drive
WordPress Plugin Vulnerabilities
1. All In One SEO

Plugin: All In One SEO
Vulnerability: Authenticated SQL Injection
Active Installation: 3+ Million
Patched in Version: 4.1.5.3
Severity: High
Plugin: All In One SEO
Vulnerability: Authenticated Privilege Escalation
Active Installation: 3+ Million
Patched in Version: 4.1.5.3
Severity: Critical
2. Smash Balloon Social Post Feed

Plugin: Smash Balloon Social Post Feed
Vulnerability: Authenticated Reflected Cross-Site Scripting (XSS)
Active Installation: 200,000+
Patched in Version: 4.1.1
Severity: Medium
3. Modern Events Calendar Lite

Plugin: Modern Events Calendar Lite
Vulnerability: Subscriber+ Category Add Leading to Stored XSS
Active Installation: 100,000+
Patched in Version: 6.2.0
Severity: Medium
4. WOOCS

Plugin: WOOCS
Vulnerability: Reflected Cross-Site Scripting
Active Installation: 60,000+
Patched in Version: 1.3.7.3
Severity: High
5. Crispy Live Chat

Plugin: Crisp Live Chat
Vulnerability: CSRF to Stored Cross-Site Scripting
Active Installation: 60,000+
Patched in Version: 0.32
Severity: High
6. Image Hover Effects Ultimate

Plugin: Image Hover Effects Ultimate
Vulnerability: Unauthenticated Arbitrary Option Update
Active Installation: 20,000+
Patched in Version: 9.7.0
Severity: Critical
7. WP Booking System – Booking Calendar

Plugin: WP Booking System – Booking Calendar
Vulnerability: Authenticated Reflected Cross-Site Scripting (XSS)
Active Installation: 10,000+
Patched in Version: 2.0.15
Severity: Medium
8. Landing Page Builder

Plugin: Landing Page Builder
Vulnerability: Authenticated Reflected Cross-Site Scripting (XSS)
Active Installation: 10,000+
Patched in Version: 1.4.9.6
Severity: Medium
9. Fathom Analytics

Plugin: Fathom Analytics
Vulnerability: Admin+ Stored Cross-Site Scripting
Active Installation: 2000+
Patched in Version: 3.0.5
Severity: Low
10. True Ranker
Plugin: True Ranker
Vulnerability: Unauthenticated Arbitrary File Access via Path Traversal
Active Installation: 200+
Patched in Version: 2.2.4
Severity: Low
WordPress Plugin Vulnerabilities: Plugin Closed
11. Comment Engine Pro
Plugin: Comment Engine Pro
Vulnerability: Editor+ Stored Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: Low
12. .htaccess Redirect
Plugin: .htaccess Redirect
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
13. Parsian Bank Gateway for Woocommerce
Plugin: Parsian Bank Gateway for Woocommerce
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
14. Real WYSIWYG
Plugin: Real WYSIWYG
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
15. Link List Manager
Plugin: Link List Manager
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
16. Simple Image Gallery
Plugin: Simple Image Gallery
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
17. WooCommerce EnvioPack

Plugin: WooCommerce EnvioPack
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
18. Magic Post Voice
Plugin: Magic Post Voice
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
19. H5P CSS Editor
Plugin: H5P CSS Editor
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
20. duoFAQ
Plugin: duoFAQ
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
21. Magic Post Voice
Plugin: Magic Post Voice
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
22. WooCommerce myghpay Payment Gateway
Plugin: WooCommerce myghpay Payment Gateway
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: No known fix – plugin closed
Severity: High
Premium Plugin Vulnerabilities
23. The Plus Addons for Elementor Pro
Plugin: The Plus Addons for Elementor Pro
Vulnerability: Sensitive Data Disclosure
Patched in Version: 5.0.7
Severity: Medium
Plugin: The Plus Addons for Elementor Pro
Vulnerability: Unauthenticated SQL Injection
Patched in Version: 5.0.7
Severity: Medium
24. Lets Box
Plugin: Lets Box
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.13.3
Severity: Medium
25. Share One Drive
Plugin: Share One Drive
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.15.3
Severity: Medium
26. Out of the Box
Plugin: Out of the Box
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.20.3
Severity: Medium
27. Use your Drive
Plugin: Use your Drive
Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.18.3
Severity: Medium
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