The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3 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.

The Fluent Forms WordPress plugin before 5.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Simple AL Slider WordPress plugin through 1.2.10 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

The Support SVG WordPress plugin before 1.1.0 does not sanitize SVG file contents, which enables users with at least the author role to SVG with malicious JavaScript to conduct Stored XSS attacks.

The Gutenverse WordPress plugin before 1.9.1 does not validate the htmlTag option in various of its block before outputting it back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

The Registrations for the Events Calendar WordPress plugin before 2.13.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The GTPayment Donations WordPress plugin through 1.0.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack.

The Infility Global WordPress plugin through 2.9.8 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.

The Music Request Manager WordPress plugin through 1.3 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

The Simple Buttons Creator WordPress plugin through 1.04 does not have any authorisation as well as CSRF in its add button function, allowing unauthenticated users to call them either directly or via CSRF attacks. Furthermore, due to the lack of sanitisation and escaping, it could also allow them to perform Stored Cross-Site Scripting attacks against logged in admins.

The Sailthru Triggermail WordPress plugin through 1.1 does not sanitise and escape some of its settings and is missing CSRF protection which could allow subscribers to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Giga Messenger WordPress plugin through 2.3.1 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

The Custom Field Manager WordPress plugin through 1.0 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.

When LDAP authentication is activated in the configuration it is possible to obtain reflected XSS execution by creating a custom URL that the victim only needs to open in order to execute arbitrary JavaScript code in the victim's browser. This is due to a fault in the file login.php where the content of "$_SERVER['PHP_SELF']" is reflected into the HTML of the website. Hence the attacker does not need a valid account in order to exploit this issue.

The Wp-ImageZoom WordPress plugin through 1.1.0 does not sanitise and escape some parameters before outputting them back in a page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

The Quiz and Survey Master (QSM) WordPress plugin before 9.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The WP Ajax Contact Form WordPress plugin through 2.2.2 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 admin users

The Contact Form & SMTP Plugin for WordPress by PirateForms WordPress plugin before 2.6.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Fast Tube WordPress plugin through 2.3.1 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.

If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofing attack. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.