CVE-2026-66627
WordPress GP Premium plugin <= 2.5.5 - Arbitrary File Upload vulnerability
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.
INFO
Published Date :
Aug. 18, 2026, 3:16 p.m.
Last Modified :
Oct. 22, 2026, 10:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 21595511-bba5-4825-b968-b78d1f9984a3 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | MITRE-CVE |
Solution
- Update GP Premium to the latest version.
- Apply vendor-provided patches for version 2.5.5.
- Review file upload configurations for security.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-66627.
| URL | Resource |
|---|---|
| https://patchstack.com/database/wordpress/plugin/gp-premium/vulnerability/wordpress-gp-premium-plugin-2-5-5-arbitrary-file-upload-vulnerability?_s_id=cve |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-66627 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-66627
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-66627 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-66627 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 22, 2026
Action Type Old Value New Value Added Translation Title: GP Premium de EDGE22 Studios Ltd., Description: Carga de Archivos Arbitrarios por Contribuidor en versiones de GP Premium menor o igual que 2.5.5. -
CVE Modified by [email protected]
Sep. 08, 2026
Action Type Old Value New Value Changed 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. Added Reference https://patchstack.com/database/wordpress/plugin/gp-premium/vulnerability/wordpress-gp-premium-plugin-2-5-5-arbitrary-file-upload-vulnerability?_s_id=cve Removed Reference https://patchstack.com/database/wordpress/plugin/gp-premium/vulnerability/wordpress-gp-premium-plugin-2-5-5-arbitrary-file-upload-vulnerability?_s_id=cve -
CVE Modified by [email protected]
Aug. 18, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'EDGE22 Studios Ltd.', 'product': 'GP Premium', 'versions': [{'status': 'affected', 'changes': [{'at': '2.5.6', 'status': 'unaffected'}], 'version': 'n/a', 'versionType': 'custom', 'lessThanOrEqual': '2.5.5'}], 'packageName': 'gp-premium', 'collectionURL': 'https://wordpress.org/plugins', 'defaultStatus': 'unaffected'}] [{'vendor': 'EDGE22 Studios Ltd.', 'product': 'GP Premium', 'versions': [{'status': 'affected', 'changes': [{'at': '2.5.6', 'status': 'unaffected'}], 'version': 'n/a', 'versionType': 'custom', 'lessThanOrEqual': '2.5.5'}], 'defaultStatus': 'unaffected'}] -
New CVE Received by [email protected]
Aug. 18, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'EDGE22 Studios Ltd.', 'product': 'GP Premium', 'versions': [{'status': 'affected', 'changes': [{'at': '2.5.6', 'status': 'unaffected'}], 'version': 'n/a', 'versionType': 'custom', 'lessThanOrEqual': '2.5.5'}], 'packageName': 'gp-premium', 'collectionURL': 'https://wordpress.org/plugins', 'defaultStatus': 'unaffected'}] Added Description Contributor Arbitrary File Upload in GP Premium <= 2.5.5 versions. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-434 Added Reference https://patchstack.com/database/wordpress/plugin/gp-premium/vulnerability/wordpress-gp-premium-plugin-2-5-5-arbitrary-file-upload-vulnerability?_s_id=cve -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 18, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-66627', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-18T15:09:14.545771Z'}