CVE-2022-1756: The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers aut

medium Affects newsletter (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers aut

Package
newsletter (WordPress plugin) WordPress
Affected versions
<7.4.5
Fixed in
7.4.5
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 2% (80.1th percentile)
Published
2022-06-13
Source
nvd

References

CWE-79
NVD recordnewsletter (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.

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