CVE-2026-42680 CRITICAL

CVE-2026-42680: WordPress Contest Gallery Pro plugin <= 29.0.1 - Privilege Escalation vulnerability

Vendor Wasiliy Strecker / Contestgallery Developer
Product Contest Gallery Pro
Weakness CWE-266
Published June 1, 2026
Last update June 1, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Incorrect Privilege Assignment vulnerability in Wasiliy Strecker / ContestGallery developer Contest Gallery Pro allows Privilege Escalation. This issue affects Contest Gallery Pro: from n/a through 29.0.1.

Explanation of Vulnerability in Simple Terms

02Summary

Contest Gallery Pro versions up to 29.0.1 contain a privilege escalation vulnerability that allows unauthenticated attackers to gain full control of the application. The vulnerability stems from improper access control, enabling attackers to read, modify, and delete data without authentication. No user interaction is required to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Read, modify, and delete any data in the application without logging in.

Potential impact on your site

04Site Impact

Complete compromise of the application and all user data; attackers can take full control without needing credentials.

Conditions required to exploit

05Prerequisites

Network access to the application; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated

Related vulnerabilities

08Related CVE