Plugins designed for "eBook downloads" or "digital asset management" often handle user inputs like file paths, download IDs, and user metadata. If these inputs aren't properly sanitized, they become entry points for several types of attacks.

An attacker might use a URL like /wp-content/plugins/ebook-download/filedownload.php?ebookdownloadurl=../../../wp-config.php to download your site’s configuration file, which contains database credentials.

The security of WordPress plugins that manage digital downloads is a critical concern for site owners who sell or distribute eBooks. Vulnerabilities in these plugins can allow attackers to bypass payment gates, steal sensitive database information, or even gain full control over the server.

Ebook Download < 1.2 – Directory Traversal | CVE 2016-10924