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.
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Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 21 Oct 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | HappyForms < 1.26.15 - Unauthenticated HTML Injection in Admin Notification Email via client_referer | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-10-21T10:14:54.939Z
Reserved: 2026-07-03T09:15:34.925Z
Link: CVE-2026-14556
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Status : Received
Published: 2026-10-21T09:17:07.173
Modified: 2026-10-21T09:17:07.173
Link: CVE-2026-14556
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OpenCVE Enrichment
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Weaknesses
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