The Smash Balloon Social Post Feed WordPress plugin before 2.19.2 does not sanitise or escape the feedID POST parameter in its feed_locator AJAX action (available to both authenticated and unauthenticated users) before outputting a truncated version of it in the admin dashboard, leading to an unauthenticated Stored Cross-Site Scripting issue which will be executed in the context of a logged in administrator.

The Smash Balloon Social Post Feed WordPress plugin before 4.0.1 did not have any privilege or nonce validation before saving the plugin's setting. As a result, any logged-in user on a vulnerable site could update the settings and store rogue JavaScript on each of its posts and pages.

The Smash Balloon Social Post Feed WordPress plugin before 4.1.1 was affected by a reflected XSS in custom-facebook-feed in cff-top admin page.

Cross-Site Request Forgery (CSRF) vulnerability in Smash Balloon Custom Twitter Feeds (Tweets Widget) plugin <= 1.8.4 versions.

The Smash Balloon Social Post Feed WordPress plugin before 4.1.6 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks against logged-in admins.

The Feeds for YouTube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube-feed' shortcode in versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Cross-Site Request Forgery (CSRF) vulnerability in Smash Balloon Custom Twitter Feeds – A Tweets Widget or X Feed Widget.This issue affects Custom Twitter Feeds – A Tweets Widget or X Feed Widget: from n/a through 2.1.2.

The Custom Twitter Feeds – A Tweets Widget or X Feed Widget plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.2.1. This is due to missing or incorrect nonce validation on the ctf_auto_save_tokens function. This makes it possible for unauthenticated attackers to update the site's twitter API token and secret via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Cross-Site Request Forgery (CSRF) vulnerability in Syed Balkhi Custom Twitter Feeds (Tweets Widget) custom-twitter-feeds allows Cross Site Request Forgery.This issue affects Custom Twitter Feeds (Tweets Widget): from n/a through <= 2.2.3.

The Feeds for YouTube (YouTube video, channel, and gallery plugin) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'youtube-feed' shortcode in all versions up to, and including, 2.2.1 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.

Custom Twitter Feeds WordPress plugin before 2.2.3 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).