All In One WP Security <= 5.2.4 - Protection Bypass of Renamed Login Page via URL Encoding

5.3
Protection Mechanism Failure
CVE CVE-2023-52147
CVSS 5.3 (Medium)
Publicly Published October 25, 2023
Last Updated January 3, 2024
Researcher Naveen Muthusamy

Description

The All-In-One Security (AIOS) – Security and Firewall plugin for WordPress is vulnerable to protection bypass on the login page in all versions up to and including 5.2.4. This makes it possible for unauthenticated attackers to visit the login page in cases where it has been renamed by using URL Encoding to visit wp-login.php.

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Vulnerability Details for All-In-One Security (AIOS) – Security and Firewall

Software Type Plugin
Software Slug all-in-one-wp-security-and-firewall (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.2.5, or a newer patched version
Affected Version
  • < 5.2.5
Patched Version
  • 5.2.5

Recent vulnerabilities in All-In-One Security (AIOS) – Security and Firewall

# Title CVE ID CVSS Researchers Date
1 All-In-One Security (AIOS) <= 5.4.7 - Unauthenticated Stored Cross-Site Scripting via REST API Request Path CVE-2026-8438 7.2 Dmitrii Ignatyev June 5, 2026
2 All In One WP Security <= 5.2.6 - Cross-Site Request Forgery to IP Blocking CVE-2024-30468 4.3 Ananda Dhakal February 8, 2024
3 All-In-One Security (AIOS) – Security and Firewall <= 5.2.5 - Reflected Cross-Site Scripting CVE-2024-1037 6.1 stealthcopter February 6, 2024
4 All In One WP Security 5.1.9 - Plaintext Storage of Credentials 5.9 July 11, 2023
5 All-In-One Security (AIOS) <= 5.1.4 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2023-0157 4.4 Bartłomiej Marek March 20, 2023
6 All-In-One Security (AIOS) <= 5.1.4 - Authenticated(Admin+) Directory Traversal CVE-2023-0156 4.9 Bartłomiej Marek February 14, 2023
7 All-In-One Security <= 5.1.2 - Information Disclosure CVE-2022-4346 5.3 Daniel Ruf December 9, 2022
8 All In One WP Security & Firewall <= 5.1.0 - Cross-Site Request Forgery CVE-2022-44737 8.8 Rafie Muhammad November 22, 2022
9 All-In-One Security (AIOS) – Security and Firewall <= 5.0.8 - IP Spoofing to Protection Mechanism Bypass CVE-2022-4097 6.5 Daniel Ruf November 21, 2022
10 All In One WP Security & Firewall <= 5.1.0 - Cross-Site Request Forgery 8.8 November 17, 2022

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