CVE-2026-28037 HIGH

CVE-2026-28037: WordPress EventON plugin <= 4.9.12 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Ashanjay
Product EventON
Weakness CWE-79 · XSS
Published March 5, 2026
Last update April 28, 2026

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ashanjay EventON eventon allows Reflected XSS.This issue affects EventON: from n/a through <= 4.9.12.

Explanation of Vulnerability in Simple Terms

02Summary

EventON versions up to 4.9.12 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability requires user interaction and affects the scope beyond the vulnerable component.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session data, credentials, or deface the site.

Potential impact on your site

04Site Impact

Site visitors can be compromised; attackers may steal admin sessions, user data, or modify site content without direct access.

Conditions required to exploit

05Prerequisites

A site user must visit an attacker-controlled link or page containing the malicious payload.

Key dates

06Disclosure timeline

March 5, 2026 CVE published
April 28, 2026 Record updated