CVE-2026-24943 HIGH

CVE-2026-24943: WordPress Grand Conference theme <= 5.3.4 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Themegoods
Product Grand Conference
Weakness CWE-79 · XSS
Published February 20, 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 ThemeGoods Grand Conference grandconference allows Reflected XSS.This issue affects Grand Conference: from n/a through <= 5.3.4.

Explanation of Vulnerability in Simple Terms

02Summary

Grand Conference versions up to 5.3.4 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 site's integrity and confidentiality.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers, potentially stealing sessions or credentials.

Potential impact on your site

04Site Impact

Visitors' sessions and data can be compromised if they interact with attacker-controlled content on your site.

Conditions required to exploit

05Prerequisites

Attacker needs to trick a site user into clicking a malicious link or visiting a compromised page.

Key dates

06Disclosure timeline

February 20, 2026 CVE published
April 28, 2026 Record updated