CVE-2026-49768 CRITICAL

CVE-2026-49768: WordPress Happyforms plugin <= 1.26.13 - PHP Object Injection vulnerability

Vendor Happyforms
Product Happyforms
Weakness CWE-502 · Unsafe deserialization
Published June 15, 2026
Last update June 15, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

Description

Unauthenticated PHP Object Injection in Happyforms <= 1.26.13 versions.

Key dates

Disclosure timeline

June 15, 2026 CVE published