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CVE-2023-5292: The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'acfe_form' shortcode in versions up to, and including, 0.8.9.3 due to insufficient input

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

The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'acfe_form' shortcode in versions up to, and including, 0.8.9.3 due to insufficient input

Package
acf-extended (WordPress plugin) WordPress
Affected versions
<=0.8.9.3
Fixed in
no fix recorded
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 0% (36.1th percentile)
Published
2023-10-20
Source
nvd

References

CWE-79
NVD recordacf-extended (WordPress plugin) advisories

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# 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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