CVE-2026-40733

WordPress ShiftUp theme <= 1.3 - PHP Object Injection vulnerability

Published Jun 17, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Unauthenticated PHP Object Injection in ShiftUp <= 1.3 versions.

Remediation

Vendor Solution

Update the WordPress ShiftUp Theme to the latest available version (at least 1.4).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mikado-themes
Mikado-themes shiftup
Wordpress
Wordpress wordpress
Vendors & Products Mikado-themes
Mikado-themes shiftup
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in ShiftUp <= 1.3 versions.
Title WordPress ShiftUp theme <= 1.3 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jun 17, 2026, 2:45 PM
Reserved
Apr 15, 2026, 9:19 AM
Status
Deferred
Published
Jun 17, 2026, 2:17 PM
Modified
Oct 26, 2026, 11:10 AM