CVE-2026-62138 Visual Composer CVE debrief

Who should care

Defenders responsible for WordPress installations using the Visual Composer Website Builder plugin should assess exposure and prioritize verification and updates.

Why it matters

The CVE-2026-62138 vulnerability in Visual Composer Website Builder plugin allows contributors to inject malicious scripts, requiring defenders to verify and update the plugin to prevent potential security breaches.

• Defenders need to verify and update the plugin to prevent potential XSS attacks.
• The vulnerability allows contributors to inject malicious scripts, which could lead to security breaches.

Technical summary

The CVE record describes a Cross Site Scripting (XSS) vulnerability in Visual Composer Website Builder plugin versions up to 45.16.1. The vulnerability allows contributors to inject malicious scripts.

Defensive priority

Defenders should prioritize verifying and updating the Visual Composer Website Builder plugin to prevent exploitation.

Recommended defensive actions

• Verify and update the Visual Composer Website Builder plugin to the latest version.
• Monitor for suspicious activity related to the plugin.
• Implement additional security measures to prevent XSS attacks.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is needed to determine the full scope of affected versions and potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.