Bump the version number.

Author: leofeyer

system/config/constants.php

@@ -13,7 +13,7 @@
  * Core version
  */
 define('VERSION', '3.5');
-define('BUILD', '27');
+define('BUILD', '28');
 define('LONG_TERM_SUPPORT', true);
 
 

system/docs/CHANGELOG.md

@@ -1,9 +1,12 @@
 Contao Open Source CMS changelog
 ================================
 
-Version 3.5.28 (2017-XX-XX)
+Version 3.5.28 (2017-07-12)
 ---------------------------
 
+### Fixed
+Prevent arbitrary PHP file inclusions in the back end (see CVE-2017-10993).
+
 ### Fixed
 Improve the accessibility of the CAPTCHA widget (see #8709).
 

system/modules/repository/classes/RepositorySettings.php

@@ -17,6 +17,7 @@
 
 // valid core versions in descending order
 define('REPOSITORY_COREVERSIONS',
+		'30050289,30050289;'.	// 3.5.28
 		'30050279,30050279;'.	// 3.5.27
 		'30050269,30050269;'.	// 3.5.26
 		'30050259,30050259;'.	// 3.5.25