CVE-2026-62138
Received Received - Intake

Contributor XSS in Visual Composer Website Builder

Publication date: 2026-09-11

Last updated on: 2026-09-11

Assigner: Patchstack

Description
Contributor Cross Site Scripting (XSS) in Visual Composer Website Builder <= 45.16.1 versions.

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Meta Information

Published
2026-09-11
Last Modified
2026-09-11
Generated
2026-09-12
AI Q&A
2026-09-11
EPSS Evaluated
N/A
NVD
CVE-2026-62138
EUVD
EUVD-2026-76199

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
visual_composer website_builder to 45.16.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Contributor Cross Site Scripting (XSS) vulnerability found in Visual Composer Website Builder versions 45.16.1 and below. XSS allows attackers to inject malicious scripts into web pages viewed by other users. In this case, contributors with limited privileges could exploit this flaw to execute scripts in the context of other users' browsers.

Impact Analysis

If you use Visual Composer Website Builder <= 45.16.1, an attacker with contributor access could steal session cookies, redirect you to malicious sites, or perform actions on your behalf. This could lead to unauthorized data access, account takeover, or defacement of your website.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face fines, legal penalties, and reputational damage if user data is compromised through this XSS flaw.

Mitigation Strategies

Update Visual Composer Website Builder to the latest version (45.16.1 or higher) to patch the XSS vulnerability. If an update is unavailable, consider disabling or removing the plugin until a fix is released.

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