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.

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 3gp2 file uploads in all versions up to, and including, 7.5.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the 3gp2 file.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Inisev Social Media & Share Icons allows Stored XSS.This issue affects Social Media & Share Icons: from n/a through 2.9.1.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Nick Halsey Floating Social Media Links allows Stored XSS.This issue affects Floating Social Media Links: from n/a through 1.5.2.

The Social Media Widget WordPress plugin before 4.0.9 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)

The EmbedSocial – Social Media Feeds, Reviews and Galleries plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'embedsocial_reviews' shortcode in all versions up to, and including, 1.1.29 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.

Missing Authorization vulnerability in Hardik Chavada Sticky Social Media Icons.This issue affects Sticky Social Media Icons: from n/a through 2.1.

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to SQL Injection via the 'b2sSortPostType' parameter in all versions up to, and including, 7.4.1 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 subscriber-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 Social Link Pages: link-in-bio landing pages for your social media profiles plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the import_link_pages() function in all versions up to, and including, 1.6.9. This makes it possible for unauthenticated attackers to inject arbitrary pages and malicious web scripts.

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.4.2. This makes it possible for unauthenticated attackers to view limited information from password protected posts.