MEDIUM 5.4 NVD

CVE-2026-14556

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,

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.

References

https://wpscan.com/vulnerability/7673862c-b37c-4c7e-af3f-c32cbd2deb23/

Published: 2026-10-21 · Source: NVD · Feed updated: 2026-10-21

This medium severity vulnerability with a CVSS score of 5.4 was published on 2026-10-21 via NVD.

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