Cross-site request forgery (CSRF) vulnerability in Moodle 1.6.x before 1.6.7 and 1.7.x before 1.7.5 allows remote attackers to modify profile settings and gain privileges as other users via a link or IMG tag to the user edit profile page.
Cross-Site Request Forgery The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.