CVE-2023-4797: The Newsletters WordPress plugin before 4.9.3 does not properly escape user-controlled parameters when they are appended to SQL queries and shell commands, which could enable an administrator to run a

high Affects newsletters (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Newsletters WordPress plugin before 4.9.3 does not properly escape user-controlled parameters when they are appended to SQL queries and shell commands, which could enable an administrator to run a

Package
newsletters (WordPress plugin) WordPress
Affected versions
<4.9.3
Fixed in
4.9.3
Severity
high  CVSS 7.2
Exploitation
not on CISA KEV · EPSS 1% (61.5th percentile)
Published
2024-01-16
Source
nvd

References

CWE-77
NVD recordnewsletters (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