[wp-trac] [WordPress Trac] #37134: Allow filtering of safecss_filter_attr

[WordPress Trac]

#37134: Allow filtering of safecss_filter_attr
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 Reporter:  paulschreiber  |       Owner:
     Type:  enhancement    |      Status:  new
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  Formatting     |     Version:  trunk
 Severity:  normal         |  Resolution:
 Keywords:  kses           |     Focuses:
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Comment (by paulschreiber):

 @rmccue The `safe_style_css` filter won't work in this case, because, as
 described in #24157 safecss_filter_attr rejects any CSS with parentheses.
 Meaning `<p style="color: rgb(100,100,100,0.5)">` gets rejected even
 though the `color` attribute is already whitelisted (see
 safecss_filter_attr() in kses.php around line 1714).

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Ticket URL: <https://core.trac.wordpress.org/ticket/37134#comment:3>
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