Is campaign-monitor-optin-cat (WordPress plugin) vulnerable?

WordPress campaign-monitor-optin-cat has 1 known advisory in the phpwarden feed. Feed 2026.10.29.4, updated 2026-10-29.

1advisories
0critical
0on CISA KEV
0no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2023-5098The Campaign Monitor Forms by Optin Cat WordPress plugin before 2.5.6 does not prevent users with low privileges (like subscribers) from ovehigh8.1<2.5.62.5.6

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.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   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.