SQL injection vulnerability in SquirrelMail before 1.4.3 RC1 allows remote attackers to execute unauthorized SQL statements, with unknown impact, probably via abook_database.php.
Multiple cross-site scripting (XSS) vulnerabilities in Squirrelmail 1.2.10 and earlier allow remote attackers to inject arbitrary HTML or script via (1) the $mailer variable in read_body.php, (2) the $senderNames_part variable in mailbox_display.php, and possibly other vectors including (3) the $event_title variable or (4) the $event_text variable.
Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail before 1.2.11 allow remote attackers to inject arbitrary HTML code and steal information from a client's web browser.
Cross-site request forgery (CSRF) vulnerability in compose.php in SquirrelMail before 1.2.3 allows remote attackers to send email as other users via an IMG URL with modified send_to and subject parameters.
Cross-site scripting (XSS) vulnerability in read_body.php in SquirrelMail before 1.2.3 allows remote attackers to execute arbitrary Javascript via a javascript: URL in an IMG tag.
The spell checker plugin (check_me.mod.php) for SquirrelMail before 1.2.3 allows remote attackers to execute arbitrary commands via a modified sqspell_command parameter.
Multiple cross-site scripting (XSS) vulnerabilities in magicHTML of SquirrelMail before 1.2.6 allow remote attackers to inject arbitrary web script or HTML via (1) "<<script" in unspecified input fields or (2) a javascript: URL in the src attribute of an IMG tag.
Cross-site scripting vulnerabilities in SquirrelMail 1.2.7 and earlier allows remote attackers to execute script as other web users via (1) addressbook.php, (2) options.php, (3) search.php, or (4) help.php.
SquirrelMail 1.2.7 and earlier allows remote attackers to determine the absolute pathname of the options.php script via a malformed optpage file argument, which generates an error message when the file cannot be included in the script.