Xinhu Rainrock RockOA API rockfun.php cross site scripting

A weakness has been identified in Xinhu Rainrock RockOA up to 2.7.1. Affected by this vulnerability is an unknown functionality of the file rockfun.php of the component API. This manipulation of the argument callback causes cross site scripting. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.