Cross-site scripting (XSS) vulnerability in analyse.php in CAcert 20080921, and possibly other versions before 20080928, allows remote attackers to inject arbitrary web script or HTML via the CN (CommonName) field in the subject of an X.509 certificate.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.