The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in All In One WP Security & Firewall Team All In One WP Security & Firewall allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects All In One WP Security & Firewall: from n/a through 5.2.4.

Cross-Site Request Forgery (CSRF) vulnerability in All In One WP Security & Firewall Team All In One WP Security & Firewall.This issue affects All In One WP Security & Firewall: from n/a through 5.2.6.

The All-In-One Security (AIOS) – Security and Firewall plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in all versions up to, and including, 5.2.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

An improper handling of a malformed API answer packets to API clients in Bosch BT software products can allow an unauthenticated attacker to cause a Denial of Service (DoS) situation. To exploit this vulnerability an attacker has to replace an existing API server e.g. through Man-in-the-Middle attacks.

The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not escape the content of log files before outputting it to the plugin admin page, allowing an authorized user (admin+) to plant bogus log files containing malicious JavaScript code that will be executed in the context of any administrator visiting this page.

The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not limit what log files to display in it's settings pages, allowing an authorized user (admin+) to view the contents of arbitrary files and list directories anywhere on the server (to which the web server has access). The plugin only displays the last 50 lines of the file.

The All-In-One Security (AIOS) WordPress plugin before 5.1.3 leaked settings of the plugin publicly, including the used email address.

The All-In-One Security (AIOS) WordPress plugin before 5.0.8 is susceptible to IP Spoofing attacks, which can lead to bypassed security features (like IP blocks, rate limiting, brute force protection, and more).

Multiple Cross-Site Request Forgery vulnerabilities in All-In-One Security (AIOS) – Security and Firewall (WordPress plugin) <= 5.1.0 on WordPress.