CVE-2021-24239

MEDIUM NUCLEI

Pie Register < 3.7.0.1 - Reflected Cross-Site Scripting via Invitation Code Parameter

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-24239 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

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.

Nuclei Templates (1)

WordPress Pie Register <3.7.0.1 - Cross-Site Scripting
MEDIUMVERIFIEDby r3Y3r53

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://wpscan.com/vulnerability/f1b67f40-642f-451e-a67a-b7487918ee34
Patch, Third Party Advisory x_refsource_misc
https://plugins.trac.wordpress.org/changeset/2507536/

Scores

CVSS v3 6.1
EPSS 0.0160
EPSS Percentile 72.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
genetechsolutions/pie_register < 3.7.0.1
Published Apr 22, 2021
Tracked Since Feb 18, 2026