CVE-2026-42656 MEDIUM

CVE-2026-42656: WordPress Contest Gallery plugin <= 28.1.6 - Cross Site Scripting (XSS) vulnerability

Vendor Wasiliy Strecker
Product Contest Gallery
Weakness CWE-79 · XSS
Published June 15, 2026
Last update June 16, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Subscriber Cross Site Scripting (XSS) in Contest Gallery <= 28.1.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Contest Gallery versions up to 28.1.6 contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level account access can craft a malicious link or page that, when visited by another user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or defacement.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers to steal sessions or credentials.

Potential impact on your site

04Site Impact

Authenticated users' accounts and data are at risk if they interact with attacker-controlled content.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege account on the site; victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated

Related vulnerabilities

08Related CVE

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