CVE-2021-24239: Pie Register < 3.7.0.1 - Reflected Cross-Site Scripting (XSS)

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-04-22 · updated 2026-06-17
Weakness: CWE-79

Description

The Pie Register – User Registration Forms. Invitation based registrations, Custom Login, Payments WordPress plugin before 3.7.0.1 does not sanitise the invitaion_code GET parameter when outputting it in the Activation Code page, leading to a reflected Cross-Site Scripting issue.

Affected products

genetechproducts Pie Register – User Registration, Profiles & Content Restriction: before 3.7.0.1 — fixed in 3.7.0.1

How to fix

Upgrade to a fixed version: genetechproducts Pie Register – User Registration, Profiles & Content Restriction 3.7.0.1. Check the vendor advisory for mitigations.

References

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