[wp-trac] [WordPress Trac] #19495: socialism is not spam

[WordPress Trac]

#19495: socialism is not spam
-------------------------+-----------------------------
 Reporter:  mcargo       |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  General      |    Version:
 Severity:  normal       |   Keywords:
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 Lots of WordPress sites I visit earn FYWP whenever a comment is
 tagged a spam because it contains the word 'socialism', which has
 the 'cialis' in it as a substring.

 The relevant code is line 72 in

 http://core.trac.wordpress.org/browser/trunk/wp-includes/comment.php

 that is,

                         $pattern = "#$word#i";

 In the code that follows, $pattern will match any of the search
 strings when it is a case-insensitive substring of one of them.

 Since preg_match is being used, this problem could be solved by
 requiring that the match be at word boundaries, as

                         $pattern = "#\<$word\>#i";

 (Of course, this means that things like 'IamSureYoudReallyLikeCialis'
 would
 make it through.)

 I'm sure there are other, more efficient, ways to fix this.

-- 
Ticket URL: <http://core.trac.wordpress.org/ticket/19495>
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