diff --git a/pybossa/view/admin.py b/pybossa/view/admin.py
index 63c14db52b..51af96c84b 100644
--- a/pybossa/view/admin.py
+++ b/pybossa/view/admin.py
@@ -26,6 +26,7 @@
 from flask import url_for
 from flask import current_app
 from flask import Response
+from flask import Markup
 from flask.ext.login import login_required, current_user
 from flask.ext.babel import gettext
 from flask_wtf.csrf import generate_csrf
@@ -137,8 +138,10 @@ def users(user_id=None):
                  if user.id != current_user.id]
         [ensure_authorized_to('update', found_user) for found_user in found]
         if not found:
-            flash("<strong>Ooops!</strong> We didn't find a user "
-                  "matching your query: <strong>%s</strong>" % form.user.data)
+            markup = Markup('<strong>{}</strong> {} <strong>{}</strong>')
+            flash(markup.format(gettext("Ooops!"),
+                                gettext("We didn't find a user matching your query:"),
+                                form.user.data))
         response = dict(template='/admin/users.html', found=found, users=users,
                         title=gettext("Manage Admin Users"),
                         form=form)
@@ -420,7 +423,8 @@ def respond():
     announcement_repo.save(announcement)
 
     msg_1 = gettext('Annnouncement created!')
-    flash('<i class="icon-ok"></i> ' + msg_1, 'success')
+    markup = Markup('<i class="icon-ok"></i> {}')
+    flash(markup.format(msg_1), 'success')
 
     return redirect_content_type(url_for('admin.announcement'))
 
@@ -458,7 +462,8 @@ def respond():
     announcement_repo.update(announcement)
 
     msg_1 = gettext('Announcement updated!')
-    flash('<i class="icon-ok"></i> ' + msg_1, 'success')
+    markup = '<i class="icon-ok"></i> {}'
+    flash(markup.format(msg_1), 'success')
 
     return redirect_content_type(url_for('admin.announcement'))
 
@@ -473,7 +478,9 @@ def delete_announcement(id):
 
     ensure_authorized_to('delete', announcement)
     announcement_repo.delete(announcement)
-    flash('<i class="icon-ok"></i> ' + 'Announcement deleted!', 'success')
+    msg_1 = gettext('Announcement deleted!')
+    markup = '<i class="icon-ok"></i> {}'
+    flash(markup.format(msg_1), 'success')
     return redirect_content_type(url_for('admin.announcement'))
 
 
diff --git a/pybossa/view/projects.py b/pybossa/view/projects.py
index 7300ebb397..3eee5150d3 100644
--- a/pybossa/view/projects.py
+++ b/pybossa/view/projects.py
@@ -26,6 +26,7 @@
 
 from flask import Blueprint, request, url_for, flash, redirect, abort, Response, current_app
 from flask import render_template, make_response, session
+from flask import Markup
 from flask.ext.login import login_required, current_user
 from flask.ext.babel import gettext
 from flask_wtf.csrf import generate_csrf
@@ -271,13 +272,14 @@ def _description_from_long_description():
     project_repo.save(project)
 
     msg_1 = gettext('Project created!')
-    flash('<i class="icon-ok"></i> ' + msg_1, 'success')
-    flash('<i class="icon-bullhorn"></i> ' +
-          gettext('You can check the ') +
-          '<strong><a href="https://docs.pybossa.com">' +
-          gettext('Guide and Documentation') +
-          '</a></strong> ' +
-          gettext('for adding tasks, a thumbnail, using PYBOSSA.JS, etc.'),
+    flash(Markup('<i class="icon-ok"></i> {}').format(msg_1), 'success')
+    markup = Markup('<i class="icon-bullhorn"></i> {} ' +
+                    '<strong><a href="https://docs.pybossa.com"> {}' +
+                    '</a></strong> {}')
+    flash(markup.format(
+              gettext('You can check the '),
+              gettext('Guide and Documentation'),
+              gettext('for adding tasks, a thumbnail, using PYBOSSA.JS, etc.')),
           'success')
     auditlogger.add_log_entry(None, project, current_user)
 
@@ -308,7 +310,8 @@ def task_presenter_editor(short_name):
         auditlogger.add_log_entry(old_project, db_project, current_user)
         project_repo.update(db_project)
         msg_1 = gettext('Task presenter added!')
-        flash('<i class="icon-ok"></i> ' + msg_1, 'success')
+        markup = Markup('<i class="icon-ok"></i> {}')
+        flash(markup.format(msg_1), 'success')
         return redirect_content_type(url_for('.tasks',
                                              short_name=project.short_name))
 
@@ -330,7 +333,7 @@ def task_presenter_editor(short_name):
             url = '<a href="%s"> %s</a>' % (url_for('project.import_task',
                                                     short_name=project.short_name), msg_2)
             msg = msg_1 + url + msg_3
-            flash(msg, 'info')
+            flash(Markup(msg), 'info')
 
             wrap = lambda i: "projects/presenters/%s.html" % i
             pres_tmpls = map(wrap, current_app.config.get('PRESENTERS'))
@@ -361,7 +364,7 @@ def task_presenter_editor(short_name):
         msg = 'Your code will be <em>automagically</em> rendered in \
                       the <strong>preview section</strong>. Click in the \
                       preview button!'
-        flash(gettext(msg), 'info')
+        flash(Markup(gettext(msg)), 'info')
     project_sanitized, owner_sanitized = sanitize_project_owner(project,
                                                                 owner,
                                                                 current_user,
@@ -772,7 +775,7 @@ def task_presenter(short_name, task_id):
             msg = ("Oops! You have to sign in to participate in "
                    "<strong>%s</strong>"
                    "project" % project.name)
-            flash(gettext(msg), 'warning')
+            flash(Markup(gettext(msg)), 'warning')
             return redirect(url_for('account.signin',
                                     next=url_for('.presenter',
                                     short_name=project.short_name)))
@@ -781,10 +784,12 @@ def task_presenter(short_name, task_id):
                 "Ooops! You are an anonymous user and will not "
                 "get any credit"
                 " for your contributions.")
+            msg_2 = gettext('Sign in now!')
             next_url = url_for('project.task_presenter',
                                 short_name=short_name, task_id=task_id)
             url = url_for('account.signin', next=next_url)
-            flash(msg_1 + "<a href=\"" + url + "\">Sign in now!</a>", "warning")
+            markup = Markup('{{}} <a href="{}">{{}}</a>'.format(url))
+            flash(markup.format(msg_1, msg_2), "warning")
 
     title = project_title(project, "Contribute")
     project_sanitized, owner_sanitized = sanitize_project_owner(project, owner,
@@ -841,7 +846,7 @@ def respond(tmpl):
     if not project.allow_anonymous_contributors and current_user.is_anonymous():
         msg = "Oops! You have to sign in to participate in <strong>%s</strong> \
                project" % project.name
-        flash(gettext(msg), 'warning')
+        flash(Markup(gettext(msg)), 'warning')
         return redirect(url_for('account.signin',
                         next=url_for('.presenter',
                                      short_name=project.short_name)))
@@ -1003,8 +1008,8 @@ def delete_tasks(short_name):
         n_volunteers = cached_projects.n_volunteers(project.id)
         n_completed_tasks = cached_projects.n_completed_tasks(project.id)
         project = add_custom_contrib_button_to(project, get_user_id_or_ip())
-        project_sanitized, owner_sanitized = sanitize_project_owner(project, 
-                                                                    owner, 
+        project_sanitized, owner_sanitized = sanitize_project_owner(project,
+                                                                    owner,
                                                                     current_user,
                                                                     ps)
         response = dict(template='projects/tasks/delete.html',
@@ -1237,7 +1242,7 @@ def show_stats(short_name):
                                                                 current_user,
                                                                 ps)
 
-    # Handle JSON project stats depending of output 
+    # Handle JSON project stats depending of output
     # (needs to be escaped for HTML)
     if request.headers.get('Content-Type') == 'application/json':
         handle_projectStats = projectStats
@@ -1545,7 +1550,7 @@ def respond():
     cached_projects.delete_project(short_name)
 
     msg_1 = gettext('Blog post created!')
-    flash('<i class="icon-ok"></i> ' + msg_1, 'success')
+    flash(Markup('<i class="icon-ok"></i> {}').format(msg_1), 'success')
 
     return redirect(url_for('.show_blogposts', short_name=short_name))
 
@@ -1594,7 +1599,7 @@ def respond():
     cached_projects.delete_project(short_name)
 
     msg_1 = gettext('Blog post updated!')
-    flash('<i class="icon-ok"></i> ' + msg_1, 'success')
+    flash(Markup('<i class="icon-ok"></i> {}').format(msg_1), 'success')
 
     return redirect(url_for('.show_blogposts', short_name=short_name))
 
@@ -1610,7 +1615,8 @@ def delete_blogpost(short_name, id):
     ensure_authorized_to('delete', blogpost)
     blog_repo.delete(blogpost)
     cached_projects.delete_project(short_name)
-    flash('<i class="icon-ok"></i> ' + 'Blog post deleted!', 'success')
+    msg_1 = gettext('Blog post deleted!')
+    flash(Markup('<i class="icon-ok"></i> {}').format(msg_1), 'success')
     return redirect(url_for('.show_blogposts', short_name=short_name))
 
 
diff --git a/test/test_admin.py b/test/test_admin.py
index 1e4bd684fc..3c0d18adb4 100644
--- a/test/test_admin.py
+++ b/test/test_admin.py
@@ -414,7 +414,7 @@ def test_12_admin_user_search_json(self):
         # warning should be issued for non-found users
         data = {'user': 'nothingexists'}
         res = self.app_post_json('/admin/users', data=data)
-        warning = ("We didn't find")
+        warning = ("We didn&#39;t find")
         err_msg = "a flash message should be returned for non-found users"
         dat = json.loads(res.data)
         assert warning in dat.get('flash'), (err_msg, dat)
diff --git a/test/test_web.py b/test/test_web.py
index d5460da1c8..954da614e7 100644
--- a/test/test_web.py
+++ b/test/test_web.py
@@ -4442,7 +4442,7 @@ def test_export_task_csv_ignore_keys(self):
             # Now with a real project
             project = ProjectFactory.create()
             self.clear_temp_container(project.owner_id)
-            
+
             TaskFactory.create_batch(5, project=project, info={'question': 'qu',
                                                                'geojson':
                                                                'complexjson'})
@@ -5977,7 +5977,7 @@ def test_69_allow_anonymous_contributors(self):
         res = self.app.get(url, follow_redirects=True)
         err_msg = "User should be redirected to sign in"
         project = db.session.query(Project).first()
-        msg = "Oops! You have to sign in to participate in &lt;strong&gt;%s&lt;/strong&gt;" % project.name
+        msg = "Oops! You have to sign in to participate in <strong>%s</strong>" % project.name
         assert msg in res.data, err_msg
 
         # As registered user