Base64 in HTML <script>

A script's src can be a data:text/javascript URI.

Example

<script src="data:text/javascript;base64,Y29uc29sZS5sb2coJ0hlbGxvIGZyb20gQmFzZTY0Jyk="></script>

Notes

  • Many Content Security Policies forbid data: script sources because attackers abuse them. Prefer normal files or inline scripts with a nonce.

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