CVE-2026-14556
MEDIUM
CVSS 5.4
Published: 2026-10-21
Modified: 2026-10-21
Tenable Plugin
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2026-14556 |
| CVSS Score | 5.4 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Published | 2026-10-21 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |