Cross-site scripting (XSS) vulnerability in 1st Class Mail Server 4.01 allows remote attackers to inject arbitrary web script or HTML via the Mailbox parameter to (1) viewmail.tagz, (2) the index script under /user/, (3) members.tagz, (4) general.tagz, (5) advanced.tagz, or (6) list.tagz.
CVSS Metrics
