Vulnerability · Published Jul 31, 2026 · Assigned by WPScan
CVE-2026-14834Mailgun for WordPress < 2.2.1 - Unauthenticated Arbitrary Mailgun List Subscription via add_list AJAX
Medium 6.5
In plain English
A medium-severity improper access control in Mailgun for WordPress from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 80.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Mailgun for WordPress | 0 – before 2.2.1 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://wpscan.com/vulnerability/84135fff-e602-4773-8e79-a831284de0d2/ exploit, vdb-entry, technical-description