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CVE-2023-5311: The WP EXtra plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the register() function in versions up to, and including, 6.2. This makes it p

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

The WP EXtra plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the register() function in versions up to, and including, 6.2. This makes it p

Package
wp-extra (WordPress plugin) WordPress
Affected versions
<6.3
Fixed in
6.3
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 2% (79.0th percentile)
Published
2023-10-25
Source
nvd

References

CWE-862
NVD recordwp-extra (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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