WordPress plugin
Happyforms Pro security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 2 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High2
- Medium0
- Low0
All Happyforms Pro vulnerabilities
Nothing in this view
No vulnerabilities match this filter. Show all.
Happyforms Pro: common questions
Does Happyforms Pro have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Happyforms Pro: 2 high. None are known to affect version null.
How do I check which version of Happyforms Pro I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Happyforms Pro vulnerability?
CVE-2026-93766, published Nov 6, 2026: Happyforms Pro <= 1.38.9 - Unauthenticated Stored Cross-Site Scripting via 'happyforms_client_referer' Parameter. Severity: High (CVSS 7.2).
Is any Happyforms Pro vulnerability listed in CISA KEV?
No. None of the known Happyforms Pro vulnerabilities is currently listed in the CISA KEV catalog.