CVE-2026-66627

WordPress GP Premium plugin <= 2.5.5 - Arbitrary File Upload vulnerability

Published Aug 18, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
Unrestricted Upload of File with Dangerous Type vulnerability in EDGE22 Studios Ltd. GP Premium allows Remote Code Inclusion.

This issue affects GP Premium: from n/a through 2.5.5.

Remediation

Vendor Solution

Update the WordPress GP Premium Plugin to the latest available version (at least 2.5.6).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Description Contributor Arbitrary File Upload in GP Premium <= 2.5.5 versions. Unrestricted Upload of File with Dangerous Type vulnerability in EDGE22 Studios Ltd. GP Premium allows Remote Code Inclusion. This issue affects GP Premium: from n/a through 2.5.5.
Type Values Removed Values Added
First Time appeared Edge22 Studios Ltd.
Edge22 Studios Ltd. gp Premium
Wordpress
Wordpress wordpress
Vendors & Products Edge22 Studios Ltd.
Edge22 Studios Ltd. gp Premium
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 Contributor Arbitrary File Upload in GP Premium <= 2.5.5 versions.
Title WordPress GP Premium plugin <= 2.5.5 - Arbitrary File Upload vulnerability
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Sep 7, 2026, 11:48 PM
Reserved
Jul 27, 2026, 2:00 PM
Status
Deferred
Published
Aug 18, 2026, 3:16 PM
Modified
Oct 22, 2026, 10:10 PM