Bold Timeline Lite vulnerabilities

The Bold Timeline Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `supertitle` and `subtitle` attributes of the `bold_timeline_item` shortcode in all versions up to, and including, 1.2.8 due to insufficient input sanitization and output escaping on user supplied attributes.

The Bold Timeline Lite plugin up to version 1.2.7 contains a Stored Cross-site Scripting (XSS) vulnerability that allows an attacker to inject a persistent script into the website.

The Bold Timeline Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'title' parameter in the 'bold_timeline_group' shortcode in all versions up to and including 1.2.7 due to insufficient input sanitization and output escaping. 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.