CoreMail XT3.0 Cross Site Scripting

`Application: CoreMail  
Versions Affected: XT3.0  
Vendor URL: http://www.coremail.cn/  
Bugs: Stored XSS  
Author:shack.li(DBAPPSecurity Ltd)  
Description:  
Coremail mail system was born in 1999, is widely used in network operators, large enterprises, government institutions, colleges and universities and other mail systems, so far, the user has more than 700000000,the official website.  
Vulnerability details：  
Create a document, insert a hyperlink, hyperlink for executing the JavaScript test code "javascript:alert ()".  
Then create a mail and upload attachments, and then send them to the other users who need them. When other users online preview documents, click the hyperlink, Attack code will be executed.  
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E-mail：[email protected]  
DBAppSecurity Ltd  
www.dbappsecurity.com.cn  
`