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CVE-2021-4402 Details

Description

The Multiple Roles plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.1. This is due to missing or incorrect nonce validation on the mu_add_roles_in_signup_meta() and mu_add_roles_in_signup_meta_recently() functions. This makes it possible for unauthenticated attackers to add additional roles to users via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/	CVE	Not Applicable
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/	CVE	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/	CVE	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/	CVE	Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/	CVE	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/	CVE	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/	CVE	Not Applicable
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2556328%40multiple-roles&new=2556328%40multiple-roles&sfp_email=&sfph_mail=	CVE	Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/862fa0c3-c16f-493e-9bf6-92debc0e30f6?source=cve	CVE	Third Party Advisory
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/	[email protected]	Not Applicable
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/	[email protected]	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/	[email protected]	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/	[email protected]	Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/	[email protected]	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/	[email protected]	Not Applicable
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/	[email protected]	Not Applicable
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2556328%40multiple-roles&new=2556328%40multiple-roles&sfp_email=&sfph_mail=	[email protected]	Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/862fa0c3-c16f-493e-9bf6-92debc0e30f6?source=cve	[email protected]	Third Party Advisory

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-352	Cross-Site Request Forgery (CSRF)	[email protected]

Affected Products

Product	Versions
multiple roles project multiple roles	<= 1.3.1
CPE cpe:2.3:a:multiple_roles_project:multiple_roles::::::wordpress::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Apr 8, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jul 8, 2023	Initial Analysis	[email protected]