From 76d75fde1c690fbcdf56b505e6f779bbb35f3e83 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Wed, 18 Mar 2026 23:24:15 -0400
Subject: [PATCH] Update `underscore` to `1.13.8`.

---
 package-lock.json                 | 9 +++++----
 package.json                      | 2 +-
 src/wp-includes/script-loader.php | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index fe43ff5bcf0b9..32a72c8ae9033 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
 				"react-dom": "18.3.1",
 				"react-is": "18.3.1",
 				"regenerator-runtime": "0.14.1",
-				"underscore": "1.13.7",
+				"underscore": "1.13.8",
 				"whatwg-fetch": "3.6.20",
 				"wicg-inert": "3.1.3"
 			},
@@ -32139,9 +32139,10 @@
 			}
 		},
 		"node_modules/underscore": {
-			"version": "1.13.7",
-			"resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.7.tgz",
-			"integrity": "sha512-GMXzWtsc57XAtguZgaQViUOzs0KTkk8ojr3/xAxXLITqf/3EMwxC0inyETfDFjH/Krbhuep0HNbbjI9i/q3F3g=="
+			"version": "1.13.8",
+			"resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.8.tgz",
+			"integrity": "sha512-DXtD3ZtEQzc7M8m4cXotyHR+FAS18C64asBYY5vqZexfYryNNnDc02W4hKg3rdQuqOYas1jkseX0+nZXjTXnvQ==",
+			"license": "MIT"
 		},
 		"node_modules/underscore.string": {
 			"version": "3.3.5",
diff --git a/package.json b/package.json
index 3084630a2d726..67f54d1fc7647 100644
--- a/package.json
+++ b/package.json
@@ -107,7 +107,7 @@
 		"react-dom": "18.3.1",
 		"react-is": "18.3.1",
 		"regenerator-runtime": "0.14.1",
-		"underscore": "1.13.7",
+		"underscore": "1.13.8",
 		"whatwg-fetch": "3.6.20",
 		"wicg-inert": "3.1.3"
 	},
diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php
index 733914d1d3656..d006c4fe32945 100644
--- a/src/wp-includes/script-loader.php
+++ b/src/wp-includes/script-loader.php
@@ -1063,7 +1063,7 @@ function wp_default_scripts( $scripts ) {
 	$scripts->add( 'json2', "/wp-includes/js/json2$suffix.js", array(), '2015-05-03' );
 	did_action( 'init' ) && $scripts->add_data( 'json2', 'conditional', '_required-conditional-dependency_' );
 
-	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.13.7', 1 );
+	$scripts->add( 'underscore', "/wp-includes/js/underscore$dev_suffix.js", array(), '1.13.8', 1 );
 	$scripts->add( 'backbone', "/wp-includes/js/backbone$dev_suffix.js", array( 'underscore', 'jquery' ), '1.6.1', 1 );
 
 	$scripts->add( 'wp-util', "/wp-includes/js/wp-util$suffix.js", array( 'underscore', 'jquery' ), false, 1 );