The Download Manager WordPress plugin before 3.3.71 does not sufficiently sanitise and escape a package setting before outputting it back in a page, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor who opens the package's download dialogue, including administrators. Only sites running PHP below 8.1 are affected, as the sanitisation applied when the setting is saved does not neutralise single quotes there.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in W3 Eden, Inc. Download Manager allows Stored XSS.This issue affects Download Manager: from n/a through 3.2.84.

Missing Authorization vulnerability in Shahjada Download Manager download-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Download Manager: from n/a through <= 3.3.03.