CVE-2021-36829 MEDIUM

CVE-2021-36829: WordPress Launcher: Coming Soon & Maintenance Mode plugin <= 1.0.11 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Vendor Mythemeshop
Product Launcher: Coming Soon & Maintenance Mode (WordPress plugin)
Weakness CWE-79 · XSS
Published September 6, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in MyThemeShop Launcher: Coming Soon & Maintenance Mode plugin <= 1.0.11 at WordPress.

Explanation of Vulnerability in Simple Terms

02Summary

The Launcher: Coming Soon & Maintenance Mode plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 1.0.11. An authenticated administrator with high privileges can inject malicious scripts through plugin settings. When other users view affected pages, the injected code executes in their browsers, potentially compromising their sessions or stealing data.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers when they view the site.

Potential impact on your site

04Site Impact

A compromised admin account can inject persistent malware affecting all site visitors without leaving obvious traces.

Conditions required to exploit

05Prerequisites

Attacker must be logged in as an administrator or high-privilege user and the victim must visit an affected page.

Key dates

06Disclosure timeline

September 6, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15334 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon.view' Block Attribute CVE-2026-13440 StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart <= 2.1.0 - Unauthenticated Stored Cross-Site Scripting via 'message_popup' Parameter CVE-2026-65522 WordPress Manual - Documentation, Knowledge Base & Education WordPress theme theme <= 7.5.4 - Cross Site Scripting (XSS) vulnerability CVE-2026-65483 WordPress HashThemes Demo Importer plugin <= 1.4.2 - Cross Site Scripting (XSS) vulnerability CVE-2026-8791 Booking System Trafft <= 1.0.17 - Authenticated (Subscriber+) Stored Cross-Site Scripting