The FormCraft plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 3.9.11 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

The FormCraft plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check in formcraft-main.php in all versions up to, and including, 3.9.11. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export all plugin data which may contain sensitive information from form submissions.

Via the GUI of the "bestinformed Infoclient", a low-privileged user is by default able to change the server address of the "bestinformed Server" to which this client connects. This is dangerous as the "bestinformed Infoclient" runs with elevated permissions ("nt authority\system"). By changing the server address to a malicious server, or a script simulating a server, the user is able to escalate his privileges by abusing certain features of the "bestinformed Web" server. Those features include: * Pushing of malicious update packages * Arbitrary Registry Read as "nt authority\system" An attacker is able to escalate his privileges to "nt authority\system" on the Windows client running the "bestinformed Infoclient".  This attack is not possible if a custom configuration ("Infoclient.ini") containing the flags "ShowOnTaskbar=false" or "DisabledItems=stPort,stAddress" is deployed.

In the "bestinformed Web" application, some user input was not properly sanitized. This leads to multiple authenticated stored cross-site scripting vulnerabilities. An authenticated attacker is able to compromise the sessions of other users on the server by injecting JavaScript code into their session using an "Authenticated Stored Cross-Site Scripting". Those other users might have more privileges than the attacker, enabling a form of horizontal movement.

In the "bestinformed Web" application, some user input was not properly sanitized. This leads to multiple unauthenticated stored cross-site scripting vulnerabilities. An unauthenticated attacker is able to compromise the sessions of users on the server by injecting JavaScript code into their session using an "Unauthenticated Stored Cross-Site Scripting". The attacker is then able to ride the session of those users and can abuse their privileges on the "bestinformed Web" application.

An authenticated user in the "bestinformed Web" application can execute commands on the underlying server running the application. (Remote Code Execution) For this, the user must be able to create "ScriptVars" with the type „script" and preview them by, for example, creating a new "Info". By default, admin users have those permissions, but with the granular permission system, those permissions may be assigned to other users. An attacker is able to execute commands on the server running the "bestinformed Web" application if an account with the correct permissions was compromised before.

The Keap Official Opt-in Forms plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 2.0.1 via the service parameter. This makes it possible for unauthenticated attackers to include PHP files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where PHP files can be uploaded and included. If register_argc_argv is enabled on the server and pearcmd.php is installed, this issue might lead to Remote Code Execution.

The Simple Signup Form plugin for WordPress is vulnerable to SQL Injection via the 'id' attribute of the 'ssf' shortcode in all versions up to, and including, 1.6.5 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Zigaform – Price Calculator & Cost Estimation Form Builder Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'zgfm_fvar' shortcode in all versions up to, and including, 7.4.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Zigaform – Form Builder Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'zgfm_rfvar' shortcode in all versions up to, and including, 7.4.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.