extension: Bail if postMessage event has no data

Fixes #14486
This commit is contained in:
nosamu 2024-01-08 08:05:14 -06:00 committed by Nathan Adams
parent 6c2e28a08f
commit d97314d315
2 changed files with 2 additions and 2 deletions

View File

@ -158,7 +158,7 @@ function isXMLDocument(): boolean {
window.addEventListener("message", (event) => {
// We only accept messages from ourselves.
if (event.source !== window) {
if (event.source !== window || !event.data) {
return;
}

View File

@ -51,7 +51,7 @@ function openInNewTab(swf: URL): void {
if (ID) {
window.addEventListener("message", (event) => {
// We only accept messages from ourselves.
if (event.source !== window) {
if (event.source !== window || !event.data) {
return;
}