Cross-site scripting (XSS) vulnerability in the xaJax Shoutbox (vx_xajax_shoutbox) extension before 1.0.1 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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.