CVE-2026-79632

WPFunnels < 3.13.0 - Unauthenticated Arbitrary Recipient Email Sending via wpfnl_shortcode_optin_submission

The WPFunnels WordPress plugin before 3.13.0 does not perform any authorisation or nonce check in one of its opt-in submission handlers, and takes the notification recipients and subject from the request, allowing unauthenticated users to make the site send emails to arbitrary recipients with an arbitrary subject.

Affected

WPFunnels

CVSS v3.1 CNA

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

EPSS

0.30% chance of exploitation in the next 30 days, 22nd percentile

Published

2026-09-04

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/45abb077-c4ed-472e-8658-443506605235/

References

• CVE Record
• NVD entry