On Wed, 6 Mar 2013, Sharma, Ashish wrote:

I have a mail receiving server that parses incoming emails for email attachment and the files are listed on a web page for users to see.

Here I need to check for email attachment name for containing Javscript code that could get potentially executed when displayed on a webpage.

Why not just HTML-escape the filenames as a standard practice?

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
 jhar...@impsec.org    FALaholic #11174     pgpk -a jhar...@impsec.org
 key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
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  Failure to plan ahead on someone else's part does not constitute
  an emergency on my part.                 -- David W. Barts in a.s.r
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