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Vulnerability record · CVE-2021-4331 · published 7 March 2023

CVE-2021-4331: Posimyth the plus addons for elementor missing authorization vulnerability

Posimyth · The Plus Addons For Elementor

The Plus Addons for Elementor plugin for WordPress is vulnerable to privilege escalation in versions up to, and including 4.1.9 (pro) and 2.0.6 (free). The plugin adds a registration form to the Elementor page builders functionality. As part of the registration form, users can choose which role to set as the default for users upon registration. This field is not hidden for lower-level users so any user with access to the Elementor page builder, such as contributors, can set the default role to administrator. Since contributors can not publish posts, only author+ users can elevate privileges without interaction via a site administrator (to approve a post).

8.8 CVSS 3.1 High EPSS 0.89% · top 42.4% CWE-862 · Missing authorization
8.8CVSS 3.1 base score
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The Plus Addons for Elementor plugin for WordPress is vulnerable to privilege escalation in versions up to, and including 4.1.9 (pro) and 2.0.6 (free). The plugin adds a registration form to the Elementor page builders functionality. As part of the registration form, users can choose which role to set as the default for users upon registration. This field is not hidden for lower-level users so any user with access to the Elementor page builder, such as contributors, can set the default role to administrator. Since contributors can not publish posts, only author+ users can elevate privileges without interaction via a site administrator (to approve a post).

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2514618%40the-plus-addons-for-elementor Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/96388c82-2392-42b3-b0a0-c3d92910fb5c?source=cve
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2514618%40the-plus-addons-for-elementor Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/96388c82-2392-42b3-b0a0-c3d92910fb5c Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-4331), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.