The Ebook Store plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'step' parameter in all versions up to, and including, 5.8001 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Ebook Store plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 5.8001. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Missing Authorization vulnerability in Shopfiles Ltd Ebook Store allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ebook Store: from n/a through 5.775.

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 Ebook Store plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 5.8001. This is due to the plugin utilizing fpdi-protection and not preventing direct access to test files that have display_errors set to true. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Shopfiles Ltd Ebook Store allows Stored XSS.This issue affects Ebook Store: from n/a through 5.788.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Shopfiles Ltd Ebook Store plugin <= 5.785 versions.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Shopfiles Ltd Ebook Store plugin <= 5.775 versions.

Cross-site scripting (XSS) vulnerability in index.php in Turnkey Ebook Store 1.1 allows remote attackers to inject arbitrary web script or HTML via the keywords parameter in a search action.