Bit Assist plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 1.5.2 via the downloadResponseFile() function. This makes it possible for authenticated attackers, with Administrator-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

Cross-Site Request Forgery (CSRF) vulnerability in Rishi On Page SEO + Whatsapp Chat Button allows Stored XSS. This issue affects On Page SEO + Whatsapp Chat Button: from n/a through 2.0.0.

The Chat Support for Viber – Chat Bubble and Chat Button for Gutenberg, Elementor and Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'vchat' shortcode in all versions up to, and including, 1.7.2 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 Spoki – Chat Buttons and WooCommerce Notifications plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'spoki_button' shortcode in all versions up to, and including, 2.15.14 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 Pulsating Chat Button plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.6. This is due to missing or incorrect nonce validation on the amin_chat_button_settings_page() function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Udi Dollberg Add Chat App Button allows Stored XSS.This issue affects Add Chat App Button: from n/a through 2.1.5.

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.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Istmo Plugins Instant Chat Floating Button for WordPress Websites allows PHP Local File Inclusion.This issue affects Instant Chat Floating Button for WordPress Websites: from n/a through 1.0.5.

The Floating Chat Widget: Contact Chat Icons, WhatsApp, Telegram Chat, Line Messenger, WeChat, Email, SMS, Call Button WordPress plugin before 3.1.9 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)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in GetButton Chat Button by GetButton.Io plugin <= 1.8.9.4 versions.