CVE-2026-24576 MEDIUM

CVE-2026-24576: WordPress UX Flat plugin <= 5.4.0 - Cross Site Scripting (XSS) vulnerability

Vendor Cop
Product UX Flat
Weakness CWE-79 · XSS
Published January 23, 2026
Last update April 28, 2026

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in COP UX Flat ux-flat allows Stored XSS.This issue affects UX Flat: from n/a through <= 5.4.0.

Explanation of Vulnerability in Simple Terms

02Summary

UX Flat versions up to 5.4.0 contain a cross-site scripting (XSS) vulnerability that allows an authenticated attacker to inject malicious scripts. The vulnerability requires user interaction and can affect other users or the site itself. 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.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers or the site.

Potential impact on your site

04Site Impact

Authenticated users can be tricked into running attacker-controlled code, risking session hijacking or data theft.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege account and the victim must visit a crafted link or page.

Key dates

06Disclosure timeline

January 23, 2026 CVE published
April 28, 2026 Record updated