WordPress security changelog
HIGH CVE-2026-39556 Deferred

Konsept: Code execution

Konsept is affected by code execution. The vulnerable path is reachable without authentication. Successful exploitation can run attacker-controlled code in the WordPress hosting account. The published affected range is n/a through 1.9.

CVE / CNA score 8.1 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Konsept
Plugin slug
konsept
Affected
n/a through 1.9
Safe version
2.0
Published
Jun 17, 2026
Weakness
CWE-502 — Deserialization of Untrusted Data

This CVE was published Jun 17, 2026 and is one of 1 known issue for this theme.

Patch or disable the affected component.

Update Konsept to 2.0 or later, or disable and remove it until a fixed version is available.

Technical description

Unauthenticated PHP Object Injection in Konsept <= 1.9 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources