CVE-2023-49186 HIGH

CVE-2023-49186: WordPress Machic Core plugin <= 1.2.6 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Klbtheme
Product Machic Core
Weakness CWE-79 · XSS
Published January 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 (XSS or 'Cross-site Scripting') vulnerability in KlbTheme Machic Core allows DOM-Based XSS.This issue affects Machic Core: from n/a through 1.2.6.

Explanation of Vulnerability in Simple Terms

02Summary

Machic Core versions up to 1.2.6 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. An attacker can steal session cookies, redirect users, or deface page content.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they visit affected pages.

Potential impact on your site

04Site Impact

Visitors can be redirected to phishing sites, have credentials stolen, or see defaced content. Affects site reputation and user trust.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page that triggers the vulnerability.

Key dates

06Disclosure timeline

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