Vulnerabilities and security researches forwp-simple-firewall wp-simple-firewall

Jan 28, 2026

CVE, Research URL: CVE-2025-15370
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Jan 16, 2026
Research Description: The Shield: Blocks Bots, Protects Users, and Prevents Security Breaches plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 21.0.9 via the MfaGoogleAuthToggle class due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disable Google Authenticator for any user.
Affected versions: max 21.0.10.
Status: vulnerable

Aug 28, 2024

CVE, Research URL: CVE-2024-7313
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Aug 26, 2024
Research Description: The Shield Security WordPress plugin before 20.0.6 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
Affected versions: max 20.0.6.
Status: vulnerable

Jun 07, 2024

CVE, Research URL: CVE-2024-22163
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Jan 31, 2024
Research Description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Shield Security Shield Security – Smart Bot Blocking & Intrusion Prevention Security allows Stored XSS.This issue affects Shield Security – Smart Bot Blocking & Intrusion Prevention Security: from n/a through 18.5.7.
Affected versions: max 18.5.8.
Status: vulnerable

CVE, Research URL: CVE-2023-0992
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Jun 09, 2023
Research Description: The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected versions: max 17.0.18.
Status: vulnerable

CVE, Research URL: CVE-2022-0211
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Feb 21, 2022
Research Description: The Shield Security WordPress plugin before 13.0.6 does not sanitise and escape admin notes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.
Affected versions: max 13.0.6.
Status: vulnerable

CVE, Research URL: CVE-2024-4344
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Jun 02, 2024
Research Description: The Shield Security – Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 19.1.13. This is due to missing or incorrect nonce validation on the exec function. This makes it possible for unauthenticated attackers to disable pin protection for the admin interface of the plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected versions: max 19.1.11.
Status: vulnerable

CVE, Research URL: CVE-2023-6989
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Feb 06, 2024
Research Description: The Shield Security – Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 18.5.9 via the render_action_template parameter. This makes it possible for unauthenticated attacker to include and execute PHP files on the server, allowing the execution of any PHP code in those files.
Affected versions: max 18.5.10.
Status: vulnerable

CVE, Research URL: CVE-2023-0993
Home page URL: Security reports for Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Application: Shield Security – Smart Bot Blocking & Intrusion Prevention Security
Date: Jun 09, 2023
Research Description: The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, and including, 17.0.17. This allows authenticated attackers to add arbitrary audit log entries indicating that a theme or plugin has been edited, and is also a vector for Cross-Site Scripting via CVE-2023-0992.
Affected versions: max 17.0.18.
Status: vulnerable