Background
Today eslint reports an error when I introduce eslint-plugin-react
error Using target="_blank" without rel="noopener noreferrer" is a security risk: see https://mathiasbynens.github.io/rel-noopener react/jsx-no-target-blankWhy
Opening a new tab/window, either by hyperlinks (i.e tag with target attribute set to _blank) or programmatically calling window.open, will grant the newly-opened tab/window access back to the originating tab/window via window.opener. Therefore, the newly opened tab/window can then change the window.opener.location to redirect to the phishing page in the background, or execute some JavaScript on the opener-page on your behalf.
How to fixhtyperlink types
Add rel="noopenner" to outgoing links. E.g.
Specify noopener in window features
window.open("https://abc.com", "security", "noopener");
Reset opener property
Note: this technique is subject to Same Origin Policy
let nw = window.open("https://abc.com", "security");
nw.opener = null;
Reference
About rel=noopener
Target="_blank" - the most underestimated vulnerability ever
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