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CVE-2026-14556

MEDIUM 5.4 CVSS 3.1
Published
October 21, 2026
Last modified
October 21, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-116
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

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.

Affected WordPress components

  • Happyforms – Form Builder for WordPress: Drag & Drop Contact Forms, Surveys, Payments & Multipurpose Forms Plugin · happyforms
    Confirmed match Active
    Before 1.26.15
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown HappyForms — Before 1.26.15

References

  • wpscan.com https://wpscan.com/vulnerability/7673862c-b37c-4c7e-af3f-c32cbd2deb23/
  • nvd.nist.gov Official NVD record