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Vulnerability record · CVE-2026-27084 · published 25 March 2026

CVE-2026-27084: Deserialization of untrusted data vulnerability

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

9.8 CVSS 3.1 Critical EPSS 0.56% · top 55.4% CWE-502 · Deserialization of untrusted data Deferred
9.8CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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

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

References

LinkTags
https://patchstack.com/database/Wordpress/Theme/buisson/vulnerability/wordpress-buisson-theme-1-1-11-php-object-injectio

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Source: NIST National Vulnerability Database (record CVE-2026-27084), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.