CVE-2026-42686 HIGH

CVE-2026-42686: WordPress EventPrime plugin <= 4.3.2.1 - Cross Site Scripting (XSS) vulnerability

Vendor Eventprime
Product EventPrime
Weakness CWE-79 · XSS
Published June 15, 2026
Last update June 16, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Subscriber Cross Site Scripting (XSS) in EventPrime <= 4.3.2.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

EventPrime versions up to 4.3.2.1 contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level access can manipulate input fields to execute arbitrary JavaScript in other users' browsers, potentially compromising site functionality or stealing session data. The vulnerability also enables denial-of-service attacks that can crash or disable the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers; crash or disable the application.

Potential impact on your site

04Site Impact

Authenticated users can deface pages, steal admin sessions, or trigger service outages affecting all site visitors.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account on the site; no user interaction required.

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE