Auth bypass in Wpfunnels

CVE-2026-79632

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.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-79632: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Wpfunnels

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-79632?
CVE-2026-79632 is a medium-severity vulnerability in Wpfunnels, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-04.
How severe is CVE-2026-79632?
Medium severity. CVSS v3 base score is 5.3 out of 10.