CVE-2026-27084

CRITICAL

WordPress Buisson theme <= 1.1.11 - PHP Object Injection vulnerability

Title source: cna

Description

Deserialization of Untrusted Data vulnerability in ThemeREX Buisson buisson allows Object Injection.This issue affects Buisson: from n/a through <= 1.1.11.

References (1)

[Vdb Entry] https://patchstack.com/database/Wordpress/Theme/buisson/vulnerability/wordpress-buisson-theme-1-1-11-php-object-injection-vulnerability?_s_id=cve

Scores

CVSS v3 9.8

EPSS 0.0006

EPSS Percentile 18.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-502

Status published

Products (2)

ThemeREX/Buisson < 1.1.11

ThemeREX/Buisson < <= 1.1.11

Published Mar 25, 2026

Tracked Since Mar 25, 2026