CVE-2026-27419 CRITICAL

CVE-2026-27419: WordPress Zegen theme <= 1.1.9 - Arbitrary File Upload vulnerability

Vendor Zozothemes
Product Zegen
Weakness CWE-434 · Unrestricted file upload
Published July 2, 2026
Last update July 2, 2026
View on NVD All CVEs

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Subscriber Arbitrary File Upload in Zegen <= 1.1.9 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Zegen versions up to 1.1.9 allow authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files that execute on the server, potentially compromising the entire site. The vulnerability affects confidentiality, integrity, and availability of the system.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files on the server to take control of the site.

Potential impact on your site

04Site Impact

A compromised user account can lead to full site takeover, data theft, and malware distribution.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

July 2, 2026 CVE published

Related vulnerabilities

08Related CVE

CVE-2026-10205 Metasoft 美特软件 MetaCRM upload.jsp unrestricted upload CVE-2026-40548 Unrestricted Upload of File with Dangerous Type in SOPlanning CVE-2018-25436 WordPress Plugin Baggage Freight Shipping Australia 0.1.0 Arbitrary File Upload CVE-2026-9445 SourceCodester Simple POS and Inventory System File Extension addproduct.php unrestricted upload CVE-2026-5411 WP Captcha PRO <= 5.38 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File Upload