PT-2026-50088 · Boldthemes · Nifty

Published 2026-06-16 · Updated 2026-06-17 · CVE-2026-27429

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Nifty versions 1.4.1 and earlier

Description Unauthenticated PHP Object Injection allows an attacker to inject malicious objects into the application. PHP Object Injection occurs when user-supplied input is passed to the unserialize() function without proper validation, potentially leading to remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-27429

Affected Products

Nifty

References · 2

• https://patchstack.com/database/wordpress/theme/nifty/vulnerability/wordpress-nifty-theme-1-4-1-php-object-injection-vulnerability?_s_id=cve · Note
• https://twitter.com/HugoValters/status/2067297470707581159 · Twitter Post