Shield Security <= 17.0.17 - Missing Authorization

4.3
Missing Authorization
CVE CVE-2023-0993
CVSS 4.3 (Medium)
Publicly Published April 25, 2023
Last Updated June 22, 2023
Researcher Ram - Wordfence

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.

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Vulnerability Details for Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning

Software Type Plugin
Software Slug wp-simple-firewall (view on wordpress.org)
Patched? Yes
Remediation Update to version 17.0.18, or a newer patched version
Affected Version
  • < 17.0.18
Patched Version
  • 17.0.18

Recent vulnerabilities in Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning

# Title CVE ID CVSS Researchers Date
1 Shield Security <= 21.0.8 - Cross-Site Request Forgery to SQL Injection CVE-2026-0722 6.5 Dmitrii Ignatyev February 18, 2026
2 Shield Security <= 21.0.8 - Unauthenticated Reflected Cross-Site Scripting via 'message' Parameter CVE-2026-0561 6.1 Dmitrii Ignatyev February 18, 2026
3 Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches <= 21.0.9 - Missing Authorization to Authenticated (Subscriber+) Email MFA Update CVE-2025-14427 4.3 shark3y February 18, 2026
4 Shield Security <= 21.0.9 - Authenticated (Subscriber+) Insecure Direct Object Reference to Disable Google Authenticator CVE-2025-15370 4.3 Dmitrii Ignatyev January 15, 2026
5 Shield Security – Smart Bot Blocking & Intrusion Prevention Security <= 20.0.5 - Reflected Cross-Site Scripting CVE-2024-7313 6.1 Krugov Artyom August 5, 2024
6 Shield Security – Smart Bot Blocking & Intrusion Prevention Security <= 19.1.13 - Cross-Site Request Forgery CVE-2024-4344 4.3 Christian Angel June 1, 2024
7 Shield Security – Smart Bot Blocking & Intrusion Prevention Security <= 18.5.9 - Unauthenticated Local File Inclusion CVE-2023-6989 9.8 hir0ot February 5, 2024
8 Shield Security <= 18.5.7 - Unauthenticated Stored Cross-Site Scripting via getColumnContent_Page CVE-2024-22163 7.2 beluga January 16, 2024
9 Shield Security <= 17.0.17 - Unauthenticated Stored Cross-Site Scripting CVE-2023-0992 7.2 Ram April 25, 2023
10 Shield Security <= 13.0.5 - Admin+ Stored Cross-Site Scripting CVE-2022-0211 5.5 R3N0 January 19, 2022

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