CVE-2021-42358: The Contact Form With Captcha WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission, which made it pos

high Affects contact-form-with-captcha (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Contact Form With Captcha WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission, which made it pos

Package
contact-form-with-captcha (WordPress plugin) WordPress
Affected versions
<=1.6.2
Fixed in
no fix recorded
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (49.8th percentile)
Published
2021-11-29
Source
nvd

References

CWE-352
NVD recordcontact-form-with-captcha (WordPress plugin) advisories

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

Related advisories