CVE-2005-3430: Rockliffe Mailsite Express

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

Incomplete blacklist vulnerability in Rockliffe MailSite Express before 6.1.22 allows remote attackers to upload and execute arbitrary script files by giving the files specific extensions, such as (1) .unk, (2) .asa, and possibly (3) .htr and (4) .aspx, which are not filtered like the .asp extension.

Affected products

• Rockliffe Mailsite Express: up to and including 6.1.21; version 6.1.20 only

Published 2005-11-02. Last modified 2026-06-16.