CVE-2021-24243: An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscrib

medium Affects wpbakery-page-builder-clipboard (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.6 did not have capability checks nor sanitization, allowing low privilege users (subscrib

Package
wpbakery-page-builder-clipboard (WordPress plugin) WordPress
Affected versions
>=4.5.0 and <4.5.6
Fixed in
4.5.6
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (53.2th percentile)
Published
2021-05-06
Source
nvd

References

CWE-79
NVD recordwpbakery-page-builder-clipboard (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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