CVE-2023-6506

Name: CVE-2023-6506
Creator: NVD / NIST
Published: 2024-01-11T07:15:08.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-6506 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.47%

37.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wpwhitesecurity	Wp 2fa	<= 2.5.0

References

Timeline

Published: Jan 11, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6506?

How severe is CVE-2023-6506?

CVE-2023-6506 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6506?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6506?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST