Changeset 60681 for trunk/src/wp-includes/speculative-loading.php

Timestamp:

08/27/2025 10:32:57 AM (8 months ago)

Author:

jonsurrell

Message:

Scripts: Use appropriate JSON encoding flags for script tags.

wp_json_encode() with default arguments is insufficient to safely escape JSON for script tags. Use JSON_HEX_TAG | JSON_UNESCAPED_SLASHES flags.

Developed in ​https://github.com/WordPress/wordpress-develop/pull/9557.

Props devasheeshkaul, jonsurrell, siliconforks.
Fixes #63851.

File:

• trunk/src/wp-includes/speculative-loading.php (modified) (1 diff)

trunk/src/wp-includes/speculative-loading.php

@@ -248 +248 @@
     wp_print_inline_script_tag(
         (string) wp_json_encode(
-            $speculation_rules
+            $speculation_rules,
+            JSON_HEX_TAG | JSON_UNESCAPED_SLASHES
         ),
         array( 'type' => 'speculationrules' )