diff --git a/lib/classes/formatting.php b/lib/classes/formatting.php
index 1de6dc4210e..c46b1d49123 100644
--- a/lib/classes/formatting.php
+++ b/lib/classes/formatting.php
@@ -24,6 +24,9 @@ namespace core;
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class formatting {
+    /** @var bool Whether to apply forceclean */
+    protected ?bool $forceclean;
+
     /**
      * Given a simple string, this function returns the string
      * processed by enabled string filters if $CFG->filterall is enabled
@@ -195,7 +198,7 @@ class formatting {
                 $options['noclean'] = false;
             }
         }
-        if (!empty($CFG->forceclean)) {
+        if (!empty($this->get_forceclean())) {
             // Whatever the caller claims, the admin wants all content cleaned anyway.
             $options['noclean'] = false;
         }
@@ -349,4 +352,35 @@ class formatting {
 
         return $text;
     }
+
+    /**
+     * Set the value of the forceclean setting.
+     *
+     * @param bool $forceclean
+     * @return self
+     */
+    public function set_forceclean(bool $forceclean): self {
+        $this->forceclean = $forceclean;
+
+        return $this;
+    }
+
+    /**
+     * Get the current forceclean value.
+     *
+     * @return bool
+     */
+    public function get_forceclean(): bool {
+        global $CFG;
+
+        if (isset($this->forceclean)) {
+            return $this->forceclean;
+        }
+
+        if (isset($CFG->forceclean)) {
+            return $CFG->forceclean;
+        }
+
+        return false;
+    }
 }
diff --git a/lib/tests/formatting_test.php b/lib/tests/formatting_test.php
index 33536468634..53f09c2195f 100644
--- a/lib/tests/formatting_test.php
+++ b/lib/tests/formatting_test.php
@@ -532,23 +532,21 @@ class formatting_test extends \advanced_testcase {
      * @param string $cleaned Expected output of format_text() with noclean=false
      */
     public function test_format_text_cleaning($input, $nocleaned, $cleaned): void {
-        global $CFG;
-        $this->resetAfterTest();
         $formatter = new formatting();
 
-        $CFG->forceclean = false;
+        $formatter->set_forceclean(false);
         $actual = $formatter->format_text($input, FORMAT_HTML, ['filter' => false, 'noclean' => false]);
         $this->assertEquals($cleaned, $actual);
 
-        $CFG->forceclean = true;
+        $formatter->set_forceclean(true);
         $actual = $formatter->format_text($input, FORMAT_HTML, ['filter' => false, 'noclean' => false]);
         $this->assertEquals($cleaned, $actual);
 
-        $CFG->forceclean = false;
+        $formatter->set_forceclean(false);
         $actual = $formatter->format_text($input, FORMAT_HTML, ['filter' => false, 'noclean' => true]);
         $this->assertEquals($nocleaned, $actual);
 
-        $CFG->forceclean = true;
+        $formatter->set_forceclean(true);
         $actual = $formatter->format_text($input, FORMAT_HTML, ['filter' => false, 'noclean' => true]);
         $this->assertEquals($cleaned, $actual);
     }