CVE-2026-29965: Hsclabs Mailinspector

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

HSC MailInspector 5.3.3-7 is vulnerable to Cross Site Scripting (XSS) in the /police/WarningUrlPage.php endpoint due to improper neutralization of user-supplied input that uses alternate or obfuscated JavaScript syntax.

Affected products

• Hsclabs Mailinspector: version 5.3.3-7 only

Published 2026-05-18. Last modified 2026-06-17.