CVE-2024-5674

Name: CVE-2024-5674
Creator: NVD / NIST
Published: 2024-06-12T11:15:51.123+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2024-5674 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.32%

23.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Newsletter	Newsletter	< 2.4.6

References

Timeline

Published: Jun 12, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-5674?

How severe is CVE-2024-5674?

CVE-2024-5674 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2024-5674?

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-2024-5674?

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

Scan your code now

Source: NVD / NIST