CVE-2023-6506 - CVE House
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Status published Medium CVE-2023-6506

WP 2FA <= 2.5.0 - Insecure Direct Object Reference to Arbitrary Email Sending

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ulyses Saicha

Affected Vendor

Affected Software

WP 2FA – Two-factor authentication for WordPress
Vulnerable Versions:
0

Timeline

Official Publish: January 11th, 2024
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)