Commit f328b9d451 for wordpress.org

commit f328b9d45126883dd909b532b90226d1342fe575
Author: jonsurrell <jonsurrell@git.wordpress.org>
Date:   Thu Sep 10 11:19:59 2026 +0000

    I18N: Validate cached translation file lists.

    Prevent possible fatal errors on bad cached values by validating the caches is an array of strings.

    Developed in: https://github.com/WordPress/wordpress-develop/pull/13429

    Props josephscott, jonsurrell.
    Fixes #66063.

    Built from https://develop.svn.wordpress.org/trunk@63580


    git-svn-id: http://core.svn.wordpress.org/trunk@62756 1a063a9b-81f0-0310-95a4-ce76da25c4cd

diff --git a/wp-includes/class-wp-textdomain-registry.php b/wp-includes/class-wp-textdomain-registry.php
index 7d924d5abd..8387d382ec 100644
--- a/wp-includes/class-wp-textdomain-registry.php
+++ b/wp-includes/class-wp-textdomain-registry.php
@@ -209,6 +209,14 @@ class WP_Textdomain_Registry {
 		$cache_key = md5( $path );
 		$files     = wp_cache_get( $cache_key, 'translation_files' );

+		/*
+		 * Verify that the cached value is an array and that all entries in that array
+		 * are strings.
+		 */
+		if ( ! is_array( $files ) || array_filter( $files, 'is_string' ) !== $files ) {
+			$files = false;
+		}
+
 		if ( false === $files ) {
 			$files = glob( $path . '*.mo' );
 			if ( false === $files ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4987ff7a0e..3069da2e3b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.2-alpha-63579';
+$wp_version = '7.2-alpha-63580';

 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.