What is CVE-2026-80439?

CVE-2026-80439 is a medium-severity vulnerability in Redirection For Contact Form 7, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.8/10. Published 2026-09-06.

How severe is CVE-2026-80439?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Redirection For Contact Form 7

CVE-2026-80439

The Redirection for Contact Form 7 WordPress plugin from 2.2.7 before 3.2.11 does not prevent shortcodes in submitted form values from being executed when it substitutes those values into an action's settings and then processes those settings for shortcodes, allowing unauthenticated users to run any shortcode registered on the site and read its output.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Unknown Redirection For Contact Form 7

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

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

Frequently asked questions

What is CVE-2026-80439?: CVE-2026-80439 is a medium-severity vulnerability in Redirection For Contact Form 7, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.8/10. Published 2026-09-06.
How severe is CVE-2026-80439?: Medium severity. CVSS v3 base score is 4.8 out of 10.