Cross-site scripting (XSS) vulnerability in Pixelpost 1.5 beta 1 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) message, (2) name, (3) url, and (4) email parameters when commenting on a post.  NOTE: the vendor has disputed some issues from the original disclosure, but due to the vagueness of the dispute, it is not clear whether the vendor is disputing this particular issue.