CVE-2023-5776: The Post Meta Data Manager plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2.1. This is due to missing nonce validation on the pmdm_wp_ajax_del

medium Affects post-meta-data-manager (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Post Meta Data Manager plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2.1. This is due to missing nonce validation on the pmdm_wp_ajax_del

Package
post-meta-data-manager (WordPress plugin) WordPress
Affected versions
<1.2.2
Fixed in
1.2.2
Severity
medium  CVSS 4.3
Exploitation
not on CISA KEV · EPSS 0% (21.5th percentile)
Published
2023-11-21
Source
nvd

References

CWE-352
NVD recordpost-meta-data-manager (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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