CVE-2021-24731: The Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.7.1.6 does not properly escape user data before using it in a

critical Affects pie-register (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.7.1.6 does not properly escape user data before using it in a

Package
pie-register (WordPress plugin) WordPress
Affected versions
<3.7.1.6
Fixed in
3.7.1.6
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 6% (93.7th percentile)
Published
2021-11-08
Source
nvd

References

CWE-89
NVD recordpie-register (WordPress plugin) advisories

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

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Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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