diff --git a/cohort/classes/external/cohort_summary_exporter.php b/cohort/classes/external/cohort_summary_exporter.php
index f6e7ff8450483..44d8e2521fe89 100644
--- a/cohort/classes/external/cohort_summary_exporter.php
+++ b/cohort/classes/external/cohort_summary_exporter.php
@@ -61,7 +61,8 @@ public static function define_properties() {
     public static function define_other_properties() {
         return array(
             'contextname' => array(
-                'type' => PARAM_TEXT
+                // The method context::get_context_name() already formats the string, and may return HTML.
+                'type' => PARAM_RAW
             ),
         );
     }
diff --git a/competency/classes/external/competency_framework_exporter.php b/competency/classes/external/competency_framework_exporter.php
index 16ed16c4517c0..b9d8120e5c1e6 100644
--- a/competency/classes/external/competency_framework_exporter.php
+++ b/competency/classes/external/competency_framework_exporter.php
@@ -74,6 +74,9 @@ protected static function define_other_properties() {
             'competenciescount' => array(
                 'type' => PARAM_INT
             ),
+
+            // Both contexts need to be PARAM_RAW because the method context::get_context_name()
+            // already applies the formatting and thus could return HTML content.
             'contextname' => array(
                 'type' => PARAM_RAW
             ),