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5.4 Medium

CVE-2026-14556 The HappyForms WordPress plugin before 1.26.15 does not sanitise or escape a user-controlled referral value before…

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 products and versions

Product Affected versions Fixed in
Happyforms 1.26 earliest → < 1.26.15 1.26.15

Other CVEs of Happyforms

The 2 CVEs of Happyforms →
CVE-2024-10054 The Happyforms WordPress plugin before 1.26.3 does not sanitise and escape some of its settings, which could allow high… 4.8 Medium
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