From b4bf158d3a28e71cdac24b4cccf0b762f98b96c8 Mon Sep 17 00:00:00 2001
From: Boone Gorges <boonebgorges@gmail.com>
Date: Tue, 21 Jun 2016 14:21:38 +0000
Subject: [PATCH] Taxonomy: More specific cap check when processing category
 data on post save.

Ports [37691] to the 4.2 branch.

Props dlh.
Fixes #36379.
Built from https://develop.svn.wordpress.org/branches/4.2@37776


git-svn-id: http://core.svn.wordpress.org/branches/4.2@37741 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/post.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index 3885c2e131..dfd7e6eae1 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -165,6 +165,13 @@ function _wp_translate_postdata( $update = false, $post_data = null ) {
 		$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
 	}
 
+	if ( isset( $post_data['post_category'] ) ) {
+		$category_object = get_taxonomy( 'category' );
+		if ( ! current_user_can( $category_object->cap->assign_terms ) ) {
+			unset( $post_data['post_category'] );
+		}
+	}
+
 	return $post_data;
 }