Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.21 and earlier allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) drop-down selection lists, (2) the > (greater than) character in the SquirrelSpell spellchecking plugin, and (3) errors associated with the Index Order (aka options_order) page.

Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.21 and earlier allow remote attackers to inject arbitrary web script or HTML via vectors involving (1) drop-down selection lists, (2) the > (greater than) character in the SquirrelSpell spellchecking plugin, and (3) errors associated with the Index Order (aka options_order) page.

SquirrelMail: Mail Fetch plugin -- port-scans via non-standard POP3 server ports SquirrelMail: DoS (disk space consumption) by random IMAP login attempts with 8-bit characters in the password SquirrelMail: Prone to clickjacking attacks SquirrelMail: Multiple XSS flaws SquirrelMail: XSS in <style> tag handling SquirrelMail: CRLF injection vulnerability SquirrelMail: CSRF in the empty trash feature and in Index Order page