CVE-2022-33201: Cross-Site Request Forgery (CSRF) vulnerability in MailerLite – Signup forms (official) plugin <= 1.5.7 at WordPress allows an attacker to change the API key.

medium Affects official-mailerlite-sign-up-forms (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Cross-Site Request Forgery (CSRF) vulnerability in MailerLite – Signup forms (official) plugin <= 1.5.7 at WordPress allows an attacker to change the API key.

Package
official-mailerlite-sign-up-forms (WordPress plugin) WordPress
Affected versions
<1.5.8
Fixed in
1.5.8
Severity
medium  CVSS 6.3
Exploitation
not on CISA KEV · EPSS 0% (31.6th percentile)
Published
2022-08-05
Source
nvd

References

CWE-352
NVD recordofficial-mailerlite-sign-up-forms (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