blogsafe.org My Downloads

BlogSafe.org

WordPress CVEs

Search and review WordPress-related vulnerability records.

← Back to CVE list

CVE-2026-93766

HIGH 7.2 CVSS 3.1
Published
November 7, 2026
Last modified
November 7, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The Happyforms Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'happyforms_client_referer' parameter in all versions up to, and including, 1.38.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products and versions

  • Happyforms Happyforms Pro — Up to and including 1.38.9

References

  • happyforms.io https://happyforms.io/whats-new/
  • wordpress.org https://wordpress.org/plugins/happyforms-upgrade/#developers
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/71fac3d5-40d5-41d5-b756-2f1e941709b6?source=cve
  • nvd.nist.gov Official NVD record