From ea4bf1eba4b680159a873aa468364826f4d13385 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Mon, 18 Sep 2023 08:06:48 +0000
Subject: [PATCH] Merged r22302 and r22303 from trunk to 5.0-stable (#38807).

git-svn-id: https://svn.redmine.org/redmine/branches/5.0-stable@22304 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/wiki_formatting/textile/redcloth3.rb | 8 ++++----
 test/helpers/application_helper_test.rb          | 5 +++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/lib/redmine/wiki_formatting/textile/redcloth3.rb b/lib/redmine/wiki_formatting/textile/redcloth3.rb
index c292926a5..9062fca0d 100644
--- a/lib/redmine/wiki_formatting/textile/redcloth3.rb
+++ b/lib/redmine/wiki_formatting/textile/redcloth3.rb
@@ -841,7 +841,7 @@ class RedCloth3 < String
             end
 
             url = htmlesc(url.dup)
-            next all if url.downcase.start_with?('javascript:')
+            next all unless uri_with_link_safe_scheme?(url)
 
             atts = pba(atts)
             atts = +" href=\"#{url}#{slash}\"#{atts}"
@@ -965,7 +965,7 @@ class RedCloth3 < String
             next m unless uri_with_safe_scheme?(url.partition('?').first)
             if href
               href = htmlesc(href.dup)
-              next m if href.downcase.start_with?('javascript:')
+              next m unless uri_with_link_safe_scheme?(href)
             end
 
             out = +''
@@ -1214,9 +1214,9 @@ class RedCloth3 < String
             all, tag, close = $1, $2, $3
 
             if close.present? && (ALLOWED_TAGS.include?(tag) || (tag =~ /\Aredpre#\d+\z/))
-                "<#{all}#{close}"
+                "<#{htmlesc all}#{close}"
             else
-                "&lt;#{all}#{'&gt;' unless close.blank?}"
+                "&lt;#{htmlesc all}#{'&gt;' unless close.blank?}"
             end
         end
     end
diff --git a/test/helpers/application_helper_test.rb b/test/helpers/application_helper_test.rb
index 641c9373b..d56924463 100644
--- a/test/helpers/application_helper_test.rb
+++ b/test/helpers/application_helper_test.rb
@@ -1294,12 +1294,13 @@ class ApplicationHelperTest < Redmine::HelperTest
   def test_html_tags
     to_test = {
       "<div>content</div>" => "<p>&lt;div&gt;content&lt;/div&gt;</p>",
-      "<div class=\"bold\">content</div>" => "<p>&lt;div class=\"bold\"&gt;content&lt;/div&gt;</p>",
+      "<div class=\"bold\">content</div>" => "<p>&lt;div class=&quot;bold&quot;&gt;content&lt;/div&gt;</p>",
       "<script>some script;</script>" => "<p>&lt;script&gt;some script;&lt;/script&gt;</p>",
       # do not escape pre/code tags
       "<pre>\nline 1\nline2</pre>" => "<pre>\nline 1\nline2</pre>",
       "<pre><code>\nline 1\nline2</code></pre>" => "<pre><code>\nline 1\nline2</code></pre>",
-      "<pre><div>content</div></pre>" => "<pre>&lt;div&gt;content&lt;/div&gt;</pre>",
+      "<pre><div class=\"foo\">content</div></pre>" => "<pre>&lt;div class=\"foo\"&gt;content&lt;/div&gt;</pre>",
+      "<pre><div class=\"<foo\">content</div></pre>" => "<pre>&lt;div class=\"&lt;foo\"&gt;content&lt;/div&gt;</pre>",
       "<!-- opening comment" => "<p>&lt;!-- opening comment</p>",
       # remove attributes including class
       "<pre class='foo'>some text</pre>" => "<pre>some text</pre>",
-- 
2.39.5