Add noopener attribute to external links

cntrump / hugo-notepadium

a fast gohugo theme, 100% JavaScript-free.

https://examplesite.lvv.me/

MIT License

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Add noopener attribute to external links #108

Closed kofuk closed 3 years ago

kofuk commented 3 years ago

Link with target="_blank" without rel="noopener" allows navigated site to access the page. This may cause security issue. This PR adds the attributes and avoid this kind of vulnerability.