diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 5e6a0dbd86..a471ae0cf6 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -107,6 +107,7 @@
 		<li>[Fix] Allow setting parent forums regardless of permission settings. (Bug #57415)</li>
 		<li>[Fix] Redirect search engines that access pages with SIDs in the URL. (Bug #58025)</li>
 		<li>[Fix] Fix incorrect ampersand encoding in redirect parameter. (Bug #58465)</li>
+		<li>[Fix] Fix open_basedir issues when accessing styles- and language-management. (Bug #59135)</li>
 		<li>[Feature] Support for Microsoft's Native SQL Server Driver for PHP (Bug #57055 - Patch by Chris Pucci at Microsoft)</li>
 		<li>[Feature] The memcache acm plugin now supports multiple memcache servers.</li>
 	</ul>
diff --git a/phpBB/includes/acp/acp_language.php b/phpBB/includes/acp/acp_language.php
index fedae6fe67..c2cb2f9c11 100644
--- a/phpBB/includes/acp/acp_language.php
+++ b/phpBB/includes/acp/acp_language.php
@@ -1120,12 +1120,12 @@ class acp_language
 		{
 			while (($file = readdir($dp)) !== false)
 			{
-				if (!is_dir($phpbb_root_path . 'language/' . $file))
+				if ($file[0] == '.' || !is_dir($phpbb_root_path . 'language/' . $file))
 				{
 					continue;
 				}
 
-				if ($file[0] != '.' && file_exists("{$phpbb_root_path}language/$file/iso.txt"))
+				if (file_exists("{$phpbb_root_path}language/$file/iso.txt"))
 				{
 					if (!in_array($file, $installed))
 					{
diff --git a/phpBB/includes/acp/acp_styles.php b/phpBB/includes/acp/acp_styles.php
index d2a0f9210f..3310560c73 100644
--- a/phpBB/includes/acp/acp_styles.php
+++ b/phpBB/includes/acp/acp_styles.php
@@ -643,13 +643,13 @@ parse_css_file = {PARSE_CSS_FILE}
 		{
 			while (($file = readdir($dp)) !== false)
 			{
-				if (!is_dir($phpbb_root_path . 'styles/' . $file))
+				if ($file[0] == '.' || !is_dir($phpbb_root_path . 'styles/' . $file))
 				{
 					continue;
 				}
 
 				$subpath = ($mode != 'style') ? "$mode/" : '';
-				if ($file[0] != '.' && file_exists("{$phpbb_root_path}styles/$file/$subpath$mode.cfg"))
+				if (file_exists("{$phpbb_root_path}styles/$file/$subpath$mode.cfg"))
 				{
 					if ($cfg = file("{$phpbb_root_path}styles/$file/$subpath$mode.cfg"))
 					{