From 359bb979f8bebe5d48cb0d14b845d4d843263e14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samy=20Pess=C3=A9?= <samypesse@gmail.com>
Date: Tue, 18 Feb 2025 13:41:45 +0100
Subject: [PATCH] Open external link in a new tab when embedded in an iframe
 (#2846)

---
 .changeset/fluffy-beans-cry.md                      | 5 +++++
 packages/gitbook/src/components/primitives/Link.tsx | 7 +++++++
 2 files changed, 12 insertions(+)
 create mode 100644 .changeset/fluffy-beans-cry.md

diff --git a/.changeset/fluffy-beans-cry.md b/.changeset/fluffy-beans-cry.md
new file mode 100644
index 000000000..62be86146
--- /dev/null
+++ b/.changeset/fluffy-beans-cry.md
@@ -0,0 +1,5 @@
+---
+'gitbook': patch
+---
+
+Fix opening external links when the GitBook page is embedded in an iframe
diff --git a/packages/gitbook/src/components/primitives/Link.tsx b/packages/gitbook/src/components/primitives/Link.tsx
index 837894fcb..a65d7612d 100644
--- a/packages/gitbook/src/components/primitives/Link.tsx
+++ b/packages/gitbook/src/components/primitives/Link.tsx
@@ -47,6 +47,13 @@ export const Link = React.forwardRef(function Link(
             });
         }
 
+        // When the page is embedded in an iframe, for security reasons other urls cannot be opened.
+        // In this case, we open the link in a new tab.
+        if (isExternal && window.self !== window.top) {
+            event.preventDefault();
+            window.open(href, '_blank');
+        }
+
         domProps.onClick?.(event);
     };