CVE-2026-14834 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

https://wpscan.com/vulnerability/84135fff-e602-4773-8e79-a831284de0d2/

FAQ

What is CVE-2026-14834?

CVE-2026-14834 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 mailin...

How severe is CVE-2026-14834?

CVE-2026-14834 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14834?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.