Is multi-step-form (WordPress plugin) vulnerable?

WordPress multi-step-form has 4 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

4advisories
0critical
0on CISA KEV
1no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2018-14430The Mondula Multi Step Form plugin through 1.2.5 for WordPress allows XSS via the fw_data [id][1], fw_data [id][2], fw_data [id][3], fw_datamedium6.1<=1.2.5–
CVE-2018-14846The Mondula Multi Step Form plugin before 1.2.8 for WordPress has multiple stored XSS via wp-admin/admin-ajax.php.medium5.4<1.2.81.2.8
CVE-2022-4196The Multi Step Form WordPress plugin before 1.7.8 does not sanitise and escape some of its form fields, which could allow high privilege usemedium4.8<1.7.81.7.8
CVE-2024-12427The Multi Step Form plugin for WordPress is vulnerable to unauthorized limited file upload due to a missing capability check on the fw_uploamedium5.3<1.7.241.7.24

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked
A version is vulnerable when it falls inside an affected range and below the fixed version. phpwarden applies these ranges to the exact versions in your lockfile or install, so you only see what applies to you.