MailUp newsletter sign-up form
wp-mailup · plugin
Known security vulnerabilities for MailUp newsletter sign-up form. Find out in seconds which version runs on your site with WP Lens.
2 known vulnerabilities
latest Mar 22, 2013
Closed on wordpress.org
Removed from the directory on Aug 5, 2021 · reason: author request. A closed component gets no more updates; installed copies keep running and their vulnerabilities stay open. Remove it or replace it with a maintained alternative.
wordpress.org status checked on Oct 2, 2026
Vulnerabilities
- Medium 5.0
ajax.functions.php in the MailUp plugin before 1.3.2 for WordPress does not properly restrict access to unspecified Ajax functions, which al
- Medium 5.0
ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict access to unspecified Ajax functions, which al
The access label is read from the record's own text (e.g. “subscriber+”: subscriber and above). When the text names no role, CVSS decides between “login required” and “high privilege”; no role name is invented. “Needs a click”: the attack depends on a logged-in user following a link (CSRF, reflected XSS).