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CVE-2021-24163: The AJAX action, wp_ajax_ninja_forms_sendwp_remote_install_handler, did not have a capability check on it, nor did it have any nonce protection, therefore making it possible for low-level users, such

high Affects ninja-forms (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The AJAX action, wp_ajax_ninja_forms_sendwp_remote_install_handler, did not have a capability check on it, nor did it have any nonce protection, therefore making it possible for low-level users, such

Package
ninja-forms (WordPress plugin) WordPress
Affected versions
<3.4.34
Fixed in
3.4.34
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (73.1th percentile)
Published
2021-04-05
Source
nvd

References

CWE-200CWE-862
NVD recordninja-forms (WordPress plugin) advisories

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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.

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