TI-2021-06531 Aliases CVE-2021-24239 GHSA-qh44-665f-4v6g

Pie Register < 3.7.0.1 - Reflected Cross-Site Scripting (XSS)

LOW 30CWE-79Published 2021-04-22 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.01602 75th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Pie Register – User Registration Forms. Invitation based registrations, Custom Login, Payments (Unknown): 3.7.0.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Pie Register – User Registration Forms. Invitation based registrations, Custom Login, Payments	3.7.0.1 to before 3.7.0.1	3.7.0.1	Patch available	CNA

Pie Register – User Registration Forms. Invitation based registrations, Custom Login, Payments VendorUnknown Affected 3.7.0.1 to before 3.7.0.1 Fixed in 3.7.0.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:genetechsolutions:pie_register::::::wordpress::*	before 3.7.0.1	Vulnerable	Genetech Solutions

cpe:2.3:a:genetechsolutions:pie_register:*:*:*:*:*:wordpress:*:* Versions before 3.7.0.1 Vulnerable ·Genetech Solutions

Remediation

Fix · CNA Pie Register – User Registration Forms. Invitation based registrations, Custom Login, Payments (Unknown) Fixed in 3.7.0.1

Timeline

2026-10-02 Threatist record created from CVE-2021-24239
2026-10-03 Alias added: GHSA-qh44-665f-4v6g

References

Exploit 1

https://wpscan.com/vulnerability/f1b67f40-642f-451e-a67a-b7487918ee34

Patch 1

https://plugins.trac.wordpress.org/changeset/2507536/

TI-2022-03693 Pie Register < 3.8.1.3 - Unauthenticated Arbitrary User Deletion CVSS 3.1MEDIUM 6.5
TI-2023-00523 Pie Register < 3.8.2.3 - Open Redirect CVSS 3.1MEDIUM 5.4
TI-2021-07013 Pie Register < 3.7.1.6 - Unauthenticated SQL Injection CVSS 3.1CRITICAL 9.8
TI-2024-18560 WordPress Pie Register plugin <= 3.8.3.1 - Unauthenticated Arbitrary File Upload vulnerability CVSS 3.1CRITICAL 10.0
TI-2018-07776 SQL injection vulnerability in the Pie Register plugin before 3.0.10 for WordPress allows… CVSS 3.0CRITICAL 9.8
TI-2021-06930 Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login CVSS 3.1HIGH 8.1

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences