CVE-2023-51374: Zerobounce Email Verification & Validation

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.

Affected products

• Zerobounce Zerobounce Email Verification & Validation: up to and including 1.0.11

Published 2023-12-29. Last modified 2026-06-17.