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WordPress Vulnerability Report: April 2021, Part 4

Apr 28, 2021 | General

Vulnerable plugins and themes are the #1 reason WordPress websites get hacked. This report 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.

In the April, Part 4 Report
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    WordPress Core Vulnerabilities

    WordPress 5.7.1 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. Accordion

    Vulnerability: Authenticated Reflected Cross-Site Scripting
    Patched in Version: 2.2.30
    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 2.2.30+.

    2. RSS for Yandex Turbo

    Vulnerability: Authenticated Stored Cross-Site Scripting
    Patched in Version: 1.30
    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 1.30+.

    3. Kaswara Modern VC Addons

    Vulnerability: Unauthenticated Arbitrary File Upload
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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

    4. WP Content Copy Protection & No Right Click

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: 3.4
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: 3.5.1
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

    The vulnerability is patched, so you should update to version 3.5.1+.

    5. Conditional Marketing Mailer for WooCommerce

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: 1.6
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: 1.5.2
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

    The vulnerability is patched, so you should update to version 1.6+.

    6. Captchinoo, Google recaptcha for admin login page

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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

    7. WP Maintenance Mode & Site Under Construction

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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

    8. Tree Sitemap

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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

    9. Login Protection – Limit Failed Login Attempts

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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

    10. Visitor Traffic Real Time Statistics

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: 2.13
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: 2.12
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

    The vulnerability is patched, so you should update to version 2.13+.

    11. Login as User or Customer

    Vulnerability: Arbitrary Plugin Installation/Activation via CSRF
    Patched in Version: 2.1
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

    Vulnerability: Arbitrary Plugin Installation/Activation via Low Privilege User
    Patched in Version: 1.8
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

    The vulnerability is patched, so you should update to version 2.1+.

    12. Redirect 404 to Parent

    Vulnerability: Reflected Cross-Site Scripting
    Patched in Version: 1.3.1
    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 1.3.1+.

    13. Select All Categories and Taxonomies

    Vulnerability: Reflected Cross-Site Scripting
    Patched in Version: 1.3.2
    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 1.3.2+.

    14. Software License Manager

    Vulnerability:  CSRF to Stored XSS
    Patched in Version: 4.4.6
    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 4.4.6+.

    15. Car Seller – Auto Classifieds Script

    Vulnerability: Unauthenticated SQL Injection
    Patched in Version: No known fix
    Severity: Critical – CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

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

    16. Store Locator Plus

    Vulnerability: Unauthenticated Stored Cross-Site Scripting
    Patched in Version: No known fix
    Severity: High – CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

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

    17. Happy Addons for Elementor Free & Pro

    Vulnerability: Stored Cross-Site Scripting
    Free Patched in Version: 2.24.0
    Pro Patched in Version: 1.17.0
    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 2.24.0+ (Free) / 1.17.0+ (Pro).

    18. WP Fastest Cache

    WP Fastest Cache Logo

    Vulnerability: Authenticated Arbitrary File Deletion via Path Traversal
    Patched in Version: 0.9.1.7
    Severity: Low – CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

    The vulnerability is patched, so you should update to version 0.9.1.7+.

    19. WPGraphQL

    Vulnerability: Denial of Service
    Patched in Version: No known fix
    Severity: High – CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

    20. WooCommerce

    Vulnerability: Authenticated Stored Cross-Site Scripting
    Patched in Version: 5.2.0
    Severity: Medium – CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

    The vulnerability is patched, so you should update to version 5.2.0+.

    WordPress Theme Vulnerabilities

    No new theme vulnerabilities have been disclosed this week.

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    Source: Security Feed

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