Multiple Page Generator Plugin for WordPress Server-Side Request Forgery Vulnerability

A server-side request forgery (SSRF) vulnerability has been identified in the Multiple Page Generator Plugin (MPG) for WordPress, affecting all versions through 4.0.5. The vulnerability arises in the 'mpg_download_file_by_link' function, allowing authenticated attackers with editor-level access or higher to make web requests to arbitrary locations. This could be exploited to query and modify information from internal services.

Impact

Exploitation of this vulnerability could allow authenticated attackers to make unauthorized web requests from the WordPress application, potentially accessing or altering information from internal services.

Remediation

Users are advised to update the Multiple Page Generator Plugin to version 4.0.6 or a newer patched version.