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.

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 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.

The Blog2Social plugin for WordPress is vulnerable to authorization bypass due to missing capability checks in versions up to, and including, 6.9.11. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to change some plugin settings intended to be modifiable by admins only.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Blog2Social, Adenion Blog2Social: Social Media Auto Post & Scheduler plugin <= 7.2.0 versions.

The Blog2Social WordPress plugin before 7.2.1 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 Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.9.10 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by any authenticated users, such as subscribers

The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.9.10 does not have authorisation in an AJAX action, and does not ensure that the URL to make a request to is an external one. As a result, any authenticated users, such as subscriber could perform SSRF attacks

The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.8.7 does not sanitise and escape the b2sShowByDate parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

Unvalidated input in the Blog2Social WordPress plugin, versions before 6.3.1, lead to SQL Injection in the Re-Share Posts feature, allowing authenticated users to inject arbitrary SQL commands.