diff --git a/src/sentry.ts b/src/sentry.ts
index 2c53256335..92405d78e2 100644
--- a/src/sentry.ts
+++ b/src/sentry.ts
@@ -166,6 +166,12 @@ export const setupSentry = ({
         return null
       }
 
+      // Drop errors originating from browser extensions or other third-party
+      // code, identified by the thirdPartyErrorFilterIntegration tag above.
+      if (event.tags?.['third_party_code'] === true) {
+        return null
+      }
+
       return event
     },
     beforeSendTransaction: (event, _hint) => {