[Tickets #8393] charset problem in html file in attachment

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Ticket URL: http://bugs.horde.org/ticket/8393
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  Ticket             | 8393
  Created By         | patrick.guiran at linagora.com
  Summary            | charset problem in html file in attachment
  Queue              | IMP
  Version            | 4.3.2
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
+New Attachment     | capture.jpg
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patrick.guiran at linagora.com (2009-07-01 10:31) wrote:

When I send a mail with a HTML document as attachment, the XSS filter  
remove all <meta> tag.

By removing the <meta http-equiv="Content-Type" content="text/html;  
charset=ISO-8859-1"> tag, the content of the attachment isn't  
displayed correctly, due to charset problem, as my browser is  
configured with UTF-8 charset.

See the capture to see the problem.

To solve the problem, the only solution I have found is to disable the  
XSS filter on <meta> tags, by commenting lines 146 to 150 of file  
lib/Horde/Text/Filter/xss.php, ie. the definition of the <meta> tag  
pattern, in the $malicious array.

Regard
Patrick,