Cross-site scripting (XSS) vulnerability in the rc_ajax function in core.php in the WP-RecentComments plugin before 2.0.7 for WordPress allows remote attackers to inject arbitrary web script or HTML via the page parameter, related to AJAX paging.
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.