CVE-2026-66627

CRITICAL 9.9

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

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

Contributor Arbitrary File Upload in GP Premium <= 2.5.5 versions.

CWE	CWE-434
Vendor	edge22 studios ltd.
Product	gp premium
Published	Aug 18, 2026
Last Updated	Aug 18, 2026

Stay Ahead of the Next One

Get instant alerts for edge22 studios ltd. gp premium

Be the first to know when new critical vulnerabilities affecting edge22 studios ltd. gp premium are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

EDGE22 Studios Ltd. / GP Premium

n/a ≤ 2.5.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/gp-premium/vulnerability/wordpress-gp-premium-plugin-2-5-5-arbitrary-file-upload-vulnerability?_s_id=cve

Credits

Austin Ginder | Patchstack Bug Bounty Program