diff --git a/src/Symfony/Component/Serializer/CHANGELOG.md b/src/Symfony/Component/Serializer/CHANGELOG.md
index 4f456f3f82d1..3118834d8017 100644
--- a/src/Symfony/Component/Serializer/CHANGELOG.md
+++ b/src/Symfony/Component/Serializer/CHANGELOG.md
@@ -10,6 +10,7 @@ CHANGELOG
  * Add `AbstractNormalizer::FILTER_BOOL` context option
  * Add `CamelCaseToSnakeCaseNameConverter::REQUIRE_SNAKE_CASE_PROPERTIES` context option
  * Deprecate `AbstractNormalizerContextBuilder::withDefaultContructorArguments(?array $defaultContructorArguments)`, use `withDefaultConstructorArguments(?array $defaultConstructorArguments)` instead (note the missing `s` character in Contructor word in deprecated method)
+ * Add `XmlEncoder::CDATA_WRAPPING_PATTERN` context option
 
 7.0
 ---
diff --git a/src/Symfony/Component/Serializer/Context/Encoder/XmlEncoderContextBuilder.php b/src/Symfony/Component/Serializer/Context/Encoder/XmlEncoderContextBuilder.php
index 34cf78198ca4..0fd1f2f44c36 100644
--- a/src/Symfony/Component/Serializer/Context/Encoder/XmlEncoderContextBuilder.php
+++ b/src/Symfony/Component/Serializer/Context/Encoder/XmlEncoderContextBuilder.php
@@ -152,4 +152,12 @@ public function withCdataWrapping(?bool $cdataWrapping): static
     {
         return $this->with(XmlEncoder::CDATA_WRAPPING, $cdataWrapping);
     }
+
+    /**
+     * Configures the pattern used to evaluate if a CDATA section should be added.
+     */
+    public function withCdataWrappingPattern(?string $cdataWrappingPattern): static
+    {
+        return $this->with(XmlEncoder::CDATA_WRAPPING_PATTERN, $cdataWrappingPattern);
+    }
 }
diff --git a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
index ad4d87c207dd..5dcb2ba7e991 100644
--- a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
+++ b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
@@ -59,6 +59,7 @@ class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwa
     public const TYPE_CAST_ATTRIBUTES = 'xml_type_cast_attributes';
     public const VERSION = 'xml_version';
     public const CDATA_WRAPPING = 'cdata_wrapping';
+    public const CDATA_WRAPPING_PATTERN = 'cdata_wrapping_pattern';
 
     private array $defaultContext = [
         self::AS_COLLECTION => false,
@@ -70,6 +71,7 @@ class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwa
         self::ROOT_NODE_NAME => 'response',
         self::TYPE_CAST_ATTRIBUTES => true,
         self::CDATA_WRAPPING => true,
+        self::CDATA_WRAPPING_PATTERN => '/[<>&]/',
     ];
 
     public function __construct(array $defaultContext = [])
@@ -433,7 +435,7 @@ private function appendNode(\DOMNode $parentNode, mixed $data, string $format, a
      */
     private function needsCdataWrapping(string $val, array $context): bool
     {
-        return ($context[self::CDATA_WRAPPING] ?? $this->defaultContext[self::CDATA_WRAPPING]) && preg_match('/[<>&]/', $val);
+        return ($context[self::CDATA_WRAPPING] ?? $this->defaultContext[self::CDATA_WRAPPING]) && preg_match($context[self::CDATA_WRAPPING_PATTERN] ?? $this->defaultContext[self::CDATA_WRAPPING_PATTERN], $val);
     }
 
     /**
diff --git a/src/Symfony/Component/Serializer/Tests/Context/Encoder/XmlEncoderContextBuilderTest.php b/src/Symfony/Component/Serializer/Tests/Context/Encoder/XmlEncoderContextBuilderTest.php
index d1ea307a9205..2f71c6012b22 100644
--- a/src/Symfony/Component/Serializer/Tests/Context/Encoder/XmlEncoderContextBuilderTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Context/Encoder/XmlEncoderContextBuilderTest.php
@@ -46,6 +46,7 @@ public function testWithers(array $values)
             ->withTypeCastAttributes($values[XmlEncoder::TYPE_CAST_ATTRIBUTES])
             ->withVersion($values[XmlEncoder::VERSION])
             ->withCdataWrapping($values[XmlEncoder::CDATA_WRAPPING])
+            ->withCdataWrappingPattern($values[XmlEncoder::CDATA_WRAPPING_PATTERN])
             ->toArray();
 
         $this->assertSame($values, $context);
@@ -67,6 +68,7 @@ public static function withersDataProvider(): iterable
             XmlEncoder::TYPE_CAST_ATTRIBUTES => true,
             XmlEncoder::VERSION => '1.0',
             XmlEncoder::CDATA_WRAPPING => false,
+            XmlEncoder::CDATA_WRAPPING_PATTERN => '/[<>&"\']/',
         ]];
 
         yield 'With null values' => [[
@@ -83,6 +85,7 @@ public static function withersDataProvider(): iterable
             XmlEncoder::TYPE_CAST_ATTRIBUTES => null,
             XmlEncoder::VERSION => null,
             XmlEncoder::CDATA_WRAPPING => null,
+            XmlEncoder::CDATA_WRAPPING_PATTERN => null,
         ]];
     }
 }
diff --git a/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php b/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
index f0ff1c5b9436..5be6be232dc6 100644
--- a/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
@@ -231,16 +231,56 @@ public function testEncodeRootAttributes()
         $this->assertEquals($expected, $this->encoder->encode($array, 'xml'));
     }
 
-    public function testEncodeCdataWrapping()
+    /**
+     * @dataProvider encodeCdataWrappingWithDefaultPattern
+     */
+    public function testEncodeCdataWrappingWithDefaultPattern($input, $expected)
     {
-        $array = [
-            'firstname' => 'Paul & Martha <or Me>',
+        $this->assertEquals($expected, $this->encoder->encode($input, 'xml'));
+    }
+
+    public static function encodeCdataWrappingWithDefaultPattern()
+    {
+        return [
+            [
+                ['firstname' => 'Paul and Martha'],
+                '<?xml version="1.0"?>'."\n".'<response><firstname>Paul and Martha</firstname></response>'."\n",
+            ],
+            [
+                ['lastname' => 'O\'Donnel'],
+                '<?xml version="1.0"?>'."\n".'<response><lastname>O\'Donnel</lastname></response>'."\n",
+            ],
+            [
+                ['firstname' => 'Paul & Martha <or Me>'],
+                '<?xml version="1.0"?>'."\n".'<response><firstname><![CDATA[Paul & Martha <or Me>]]></firstname></response>'."\n",
+            ],
         ];
+    }
 
-        $expected = '<?xml version="1.0"?>'."\n".
-            '<response><firstname><![CDATA[Paul & Martha <or Me>]]></firstname></response>'."\n";
+    /**
+     * @dataProvider encodeCdataWrappingWithCustomPattern
+     */
+    public function testEncodeCdataWrappingWithCustomPattern($input, $expected)
+    {
+        $this->assertEquals($expected, $this->encoder->encode($input, 'xml', ['cdata_wrapping_pattern' => '/[<>&"\']/']));
+    }
 
-        $this->assertEquals($expected, $this->encoder->encode($array, 'xml'));
+    public static function encodeCdataWrappingWithCustomPattern()
+    {
+        return [
+            [
+                ['firstname' => 'Paul and Martha'],
+                '<?xml version="1.0"?>'."\n".'<response><firstname>Paul and Martha</firstname></response>'."\n",
+            ],
+            [
+                ['lastname' => 'O\'Donnel'],
+                '<?xml version="1.0"?>'."\n".'<response><lastname><![CDATA[O\'Donnel]]></lastname></response>'."\n",
+            ],
+            [
+                ['firstname' => 'Paul & Martha <or Me>'],
+                '<?xml version="1.0"?>'."\n".'<response><firstname><![CDATA[Paul & Martha <or Me>]]></firstname></response>'."\n",
+            ],
+        ];
     }
 
     public function testEnableCdataWrapping()