CVE-2004-2704: Hastymail

Medium severity, CVSS 4.3. EPSS: 4.7% chance of exploitation in the next 30 days.

Hastymail 1.0.1 and earlier (stable) and 1.1 and earlier (development) does not send the "attachment" parameter in the Content-Disposition field for attachments, which causes the attachment to be rendered inline by Internet Explorer when the victim clicks the download link, which facilitates cross-site scripting (XSS) and possibly other attacks.

Affected products

• Hastymail Hastymail: up to and including 1.0.1; up to and including 1.1
• Microsoft Internet Explorer: any version

Published 2004-12-31. Last modified 2026-06-16.