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Query: Discard non-scalar 'm' instead of attempting to sanitize.

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`WP_Query` discards most non-array date values ('year', 'monthnum', etc) by
casting to integer. Since [25138], the 'm' parameter has been handled
as a string; see #24884. However, the string-handling introduced in [25138]
blindly attempted to handle arrays and other non-scalar types as strings,
resulting in PHP notices and invalid MySQL syntax.

Props vortfu.
Fixes #36718.

git-svn-id: https://develop.svn.wordpress.org/trunk@37324 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2016-04-29 13:14:18 +00:00
parent d73d355250
commit 00c39a3f98
2 changed files with 13 additions and 1 deletions
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src/wp-includes/query.php
+1 -1
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@@ -1593,7 +1593,7 @@ class WP_Query {
$qv['monthnum'] = absint($qv['monthnum']);
$qv['day'] = absint($qv['day']);
$qv['w'] = absint($qv['w']);
$qv['m'] = preg_replace( '|[^0-9]|', '', $qv['m'] );
$qv['m'] = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : '';
$qv['paged'] = absint($qv['paged']);
$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
$qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // comma separated list of positive or negative integers