CVE-2026-49768criticalCWE-502

CVE-2026-49768: critical vulnerability in Happyforms

WordPress Happyforms plugin <= 1.26.13 - PHP Object Injection vulnerability

Published · Updated

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.6%
exploitation probability
0.6%top 55% of all CVEs
observed exploitation
nono source reports it
Unauthenticated PHP Object Injection in Happyforms <= 1.26.13 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Happyforms · Happyforms
Related CVEs — Happyforms

In the same product, most dangerous first.

CVE-2024-23521MEDIUMWordPress Happyforms plugin <= 1.25.10 - Broken Access Control vulnerabilityEPSS 0.4%CVE-2024-44063MEDIUMWordPress Happyforms plugin <= 1.26.0 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.3%CVE-2026-97065HIGHWordPress Happyforms plugin <= 1.26.15 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.2%
References
https://patchstack.com/database/wordpress/plugin/happyforms/vulnerability/wordpress-happyforms-plugin-1-26-13-php-object-injection-vulnerability?_s_id=cve