CVE-2023-6506 MEDIUM

CVE-2023-6506: WP 2FA <= 2.5.0 - Insecure Direct Object Reference to Arbitrary Email Sending

Vendor Melapress
Product WP 2FA – Two-factor authentication for WordPress
Weakness CWE-639 · IDOR
Published January 11, 2024
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The WP 2FA – Two-factor authentication for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.5.0 via the send_backup_codes_email due to missing validation on a user controlled key. This makes it possible for subscriber-level attackers to email arbitrary users on the site.

Key dates

02Disclosure timeline

January 11, 2024 CVE published
April 8, 2026 Record updated

Related vulnerabilities

04Related CVE