The Download Monitor WordPress plugin before 4.5.91 does not ensure that files to be downloaded are inside the blog folders, and not sensitive, allowing high privilege users such as admin to download the wp-config.php or /etc/passwd even in an hardened environment or multisite setup.
The Check & Log Email WordPress plugin before 1.0.6 does not sanitise and escape a parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting
The RSVP and Event Management Plugin WordPress plugin before 2.7.8 does not have any authorisation checks when exporting its entries, and has the export function hooked to the init action. As a result, unauthenticated attackers could call it and retrieve PII such as first name, last name and email address of user registered for events
The Remove Footer Credit WordPress plugin before 1.0.11 does properly sanitise its settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.
The Remove Footer Credit WordPress plugin before 1.0.6 does not have CSRF check in place when saving its settings, which could allow attacker to make logged in admins change them and lead to Stored XSS issue as well due to the lack of sanitisation
Authenticated (admin+) Arbitrary File Download vulnerability discovered in Download Monitor WordPress plugin (versions <= 4.4.6). The plugin allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the &downloadable_file_urls[0] parameter data. It's also possible to escape from the web server home directory and download any file within the OS.