Is zm-ajax-login-register (WordPress plugin) vulnerable?

WordPress zm-ajax-login-register has 3 known advisories in the phpwarden feed. Feed 2026.10.29.3, updated 2026-10-29.

3advisories

1critical

0on CISA KEV

3no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
CVE-2015-4153	Directory traversal vulnerability in the zM Ajax Login & Register plugin before 1.1.0 for WordPress allows remote attackers to include and e	medium	5.0	`<=1.0.9`	–
CVE-2015-4465	Cross-site scripting (XSS) vulnerability in the zM Ajax Login & Register plugin before 1.1.0 for WordPress allows remote attackers to inject	medium	4.3	`<=1.0.9`	–
CVE-2023-2027	The ZM Ajax Login & Register plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.0.2. This is du	critical	9.8	`<=2.0.2`	–

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.