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).
Published 2023-03-07 15:15:11
Updated 2023-03-14 20:58:37
Source Wordfence
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Products affected by CVE-2021-4331

Exploit prediction scoring system (EPSS) score for CVE-2021-4331

0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-4331

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
Wordfence

CWE ids for CVE-2021-4331

  • The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: security@wordfence.com (Primary)
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