CVE-2019-20361: There was a flaw in the WordPress plugin, Email Subscribers & Newsletters before 4.3.1, that allowed SQL statements to be passed to the database in the hash parameter (a blind SQL injection vulnerabil

critical Affects email-subscribers-\&-newsletters (WordPress plugin). Feed 2026.10.29.2, updated 2026-10-29; published ; advisory modified .

There was a flaw in the WordPress plugin, Email Subscribers & Newsletters before 4.3.1, that allowed SQL statements to be passed to the database in the hash parameter (a blind SQL injection vulnerabil

Package
email-subscribers-\&-newsletters (WordPress plugin) WordPress
Affected versions
<4.3.1
Fixed in
4.3.1
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 85% (99.7th percentile)
Published
2020-01-08
Source
nvd

References

CWE-89
NVD recordemail-subscribers-\&-newsletters (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.

# 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

Related advisories