What is CVE-2026-14834?

CVE-2026-14834 is a medium-severity vulnerability in Mailgun For WordPress, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-07-31.

How severe is CVE-2026-14834?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mailgun For WordPress

CVE-2026-14834

The Mailgun for WordPress plugin before 2.2.1 does not perform any capability or nonce check on an unauthenticated AJAX action that adds subscribers to the site owner's configured email service mailing lists, allowing unauthenticated attackers to enrol arbitrary email addresses into those lists using the owner's stored API credentials.

EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Unknown Mailgun For Wordpress — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-14834?: CVE-2026-14834 is a medium-severity vulnerability in Mailgun For WordPress, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-07-31.
How severe is CVE-2026-14834?: Medium severity. CVSS v3 base score is 6.5 out of 10.