Is formidable-forms (WordPress plugin) vulnerable?

WordPress formidable-forms has 3 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

3advisories
0critical
0on CISA KEV
0no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2023-2877The Formidable Forms WordPress plugin before 6.3.1 does not adequately authorize the user or validate the plugin URL in its functionality fohigh8.8<6.3.16.3.1
CVE-2023-1405The Formidable Forms WordPress plugin before 6.2 unserializes user input, which could allow anonymous users to perform PHP Object Injection high7.5<6.26.2
CVE-2024-9768The Formidable Forms WordPress plugin before 6.14.1 does not sanitise and escape some of its settings, which could allow high privilege usemedium4.8<6.14.16.14.1

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.

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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.