diff --git a/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php b/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
index f37429e403f..de12c30e68f 100644
--- a/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
+++ b/includes/sanitizers/class-amp-tag-and-attribute-sanitizer.php
@@ -936,7 +936,7 @@ private function validate_cdata_for_node( DOMElement $element, $cdata_spec ) {
}
// When the CDATA is expected to be JSON, ensure it's valid JSON.
- if ( 'script' === $element->nodeName && in_array( $element->getAttribute( 'type' ), [ 'application/json', 'application/ld+json' ], true ) ) {
+ if ( 'script' === $element->nodeName && 'application/json' === $element->getAttribute( 'type' ) ) {
if ( '' === trim( $element->textContent ) ) {
return [ 'code' => self::JSON_ERROR_EMPTY ];
}
diff --git a/tests/php/test-tag-and-attribute-sanitizer.php b/tests/php/test-tag-and-attribute-sanitizer.php
index e433786e517..732072658de 100644
--- a/tests/php/test-tag-and-attribute-sanitizer.php
+++ b/tests/php/test-tag-and-attribute-sanitizer.php
@@ -2893,29 +2893,35 @@ public function get_html_data() {
[ AMP_Tag_And_Attribute_Sanitizer::INVALID_CDATA_HTML_COMMENTS ],
],
'cdata_malformed_json' => [
- '',
- '',
- [],
+ '',
+ '',
+ [ 'amp-ima-video' ],
[ AMP_Tag_And_Attribute_Sanitizer::JSON_ERROR_SYNTAX ],
],
'cdata_malformed_json_with_emojis' => [
- '',
- '',
- [],
+ '',
+ '',
+ [ 'amp-ima-video' ],
[ AMP_Tag_And_Attribute_Sanitizer::JSON_ERROR_SYNTAX ],
],
'cdata_malformed_utf8_json' => [
- sprintf( '', "\xFF" ),
- '',
- [],
+ sprintf( '', "\xFF" ),
+ '',
+ [ 'amp-ima-video' ],
[ AMP_Tag_And_Attribute_Sanitizer::JSON_ERROR_UTF8 ],
],
'cdata_empty_json_considered_invalid' => [
- '',
- '',
- [],
+ '',
+ '',
+ [ 'amp-ima-video' ],
[ AMP_Tag_And_Attribute_Sanitizer::JSON_ERROR_EMPTY ],
],
+ 'cdata_empty_json_not_considered_invalid' => [
+ '',
+ null,
+ [],
+ [],
+ ],
'analytics_empty_json_considered_invalid' => [
'',
'',