XML-RPC: Only escape what we need to in `wp.editPage`, this allows for passwords with the special characters `"'` to work in a request.

Props redsweater for initial Patch.
Fixes #32703

Built from https://develop.svn.wordpress.org/trunk@32993


git-svn-id: http://core.svn.wordpress.org/trunk@32964 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-xmlrpc-server.php

@@ -2747,15 +2747,19 @@ class wp_xmlrpc_server extends IXR_Server {
 	 * @return array|IXR_Error
 	 */
 	public function wp_editPage( $args ) {
-		// Items not escaped here will be escaped in editPost.
-		$page_id  = (int) $this->escape($args[1]);
-		$username = $this->escape($args[2]);
-		$password = $this->escape($args[3]);
+		// Items will be escaped in mw_editPost.
+		$page_id  = (int) $args[1];
+		$username = $args[2];
+		$password = $args[3];
 		$content  = $args[4];
 		$publish  = $args[5];
 
-		if ( !$user = $this->login($username, $password) )
+		$escaped_username = $this->escape( $username );
+		$escaped_password = $this->escape( $password );
+
+		if ( !$user = $this->login( $escaped_username, $escaped_password ) ) {
 			return $this->error;
+		}
 
 		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
 		do_action( 'xmlrpc_call', 'wp.editPage' );

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32992';
+$wp_version = '4.3-alpha-32993';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.