CVE-2026-14556

MediumCVSS 5.4/10Last modified Oct 21, 2026

Description

The HappyForms WordPress plugin before 1.26.15 does not sanitise or escape a user-controlled referral value before embedding it in the form notification email, allowing unauthenticated attackers to inject arbitrary HTML into the emails site administrators receive.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-116

Affected software

No affected versions have been published.

Timeline

Published: Oct 21, 2026
Last modified: Oct 21, 2026
NVD status: Deferred

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