WordPress Vulnerability Report: April 2021, Part 3

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.

The WordPress Vulnerability Roundup is divided into three different categories: WordPress core, WordPress plugins, and WordPress themes. Each vulnerability will have a severity rating of Low, Medium, High, or Critical. The severity ratings are based on the Common Vulnerability Scoring System.

WordPress Core Vulnerabilities

WordPress 5.7.1 is was released on April 15, 2021. This security and maintenance release features 26 bug fixes in addition to two security fixes. Because this is a security release of WordPress core, it is recommended that you update your sites immediately!

WordPress Plugin Vulnerabilities

1. Livemesh Addons for Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 6.8
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 6.8+.

2. HT Mega – Absolute Addons for Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 1.5.7
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 1.5.7+.

3. WooLentor – WooCommerce Elementor Addons 

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 1.8.6
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 1.8.6+.

4. BuddyPress

Vulnerability: Multiple Authenticated REST API Vulnerabilities
Patched in Version: 7.3.0
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 7.3.0+.

5. PowerPack Addons for Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 2.3.2
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 2.3.2+.

6. Image Hover Effects – Elementor Addon 

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 1.3.4
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 1.3.4+.

7. Rife Elementor Extensions & Templates

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 1.1.6
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 1.1.6+.

8. The Plus Addons for Elementor 

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 2.0.6
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 2.0.6+.

9. All-in-One Addons for Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 2.3.10
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 2.3.10.

10. JetWidgets For Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version:
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 6.8+.

11. Sina Extension for Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 3.3.12
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 3.3.12+.

12. Ultimate Addons for Elementor

Vulnerability: Stored Cross-Site Scripting (XSS)
Patched in Version: 1.30.0
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 1.30.0+.

13. Fitness Calculators

Vulnerability: Cross-Site Request Forgery to Cross-Site Scripting
Patched in Version: 1.9.6
Severity: High – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

The vulnerability is patched, so you should update to version 1.9.6+.

14. User Rights Access Manager

Vulnerability: Improper Access Controls
Patched in Version: 1.0.4
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

The vulnerability is patched, so you should update to version 1.0.4+.

15. Clever Addons for Elementor

Vulnerability: Stored Cross-Site Scripting XSS
Patched in Version: 2.1.0
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The vulnerability is patched, so you should update to version 2.1.0+.

16. Easy Digital Downloads

Vulnerability: Unauthorized Stripe Disconnect via CSRF
Patched in Version: 2.10.3
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

The vulnerability is patched, so you should update to version 2.10.3+.

17. Edwiser Bridge

Vulnerability: CSRF Nonce Bypass
Patched in Version: 2.0.7
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

The vulnerability is patched, so you should update to version 2.0.7+.

18. WordPress Download Manager

Vulnerability: Unauthorized Download Duplication
Patched in Version: 3.1.18
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

The vulnerability is patched, so you should update to version 3.1.18+.

19. Ultimate Maps by Supsystic

Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.2.5
Severity: High – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

The vulnerability is patched, so you should update to version 1.2.5+.

20. Popup by Supsystic

Vulnerability: Reflected Cross-Site Scripting
Patched in Version: 1.10.5
Severity: High – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

The vulnerability is patched, so you should update to version 1.10.5+.

21. Photo Gallery by 10Web

Vulnerability: Multiple Reflected Cross-Site Scripting
Patched in Version: 1.5.69
Severity: High – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

The vulnerability is patched, so you should update to version 1.5.69+.

22. Redirection for Contact Form 7 

Vulnerability: Unauthenticated Arbitrary Nonce Generation
Patched in Version: 2.3.4
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vulnerability: Authenticated Arbitrary Plugin Installation
Patched in Version: 2.3.4
Severity: Medium – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Vulnerability: Authenticated PHP Object Injection
Patched in Version: 2.3.4
Severity: High – CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability: Authenticated Arbitrary Post Deletion
Patched in Version: 2.3.4
Severity: Medium – CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Vulnerability: Unprotected AJAX Actions
Patched in Version: 2.3.4
Severity: Medium – CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

The vulnerabilities are patched, so you should update to version 2.3.4+.

WordPress Theme Vulnerabilities

A WordPress Security Plugin Can Help Secure Your Website

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 an extra layer of security to your website.

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