Flaw bug created to hold information about an old flaw we knew something about. For more details see the MITRE CVE description.
MITRE description: Cross-site scripting (XSS) vulnerability in read_body.php for SquirrelMail 1.2.10, 1.2.9, and earlier allows remote attackers to insert script and HTML via the (1) mailbox and (2) passed_id parameters.