Novu has a XSS sanitization bypass
### Summary XSS sanitization is incomplete, some attributes are missing such as `oncontentvisibilityautostatechange=`. This allows for the email preview to render HTML that executes arbitrary JavaScript, ### Details Sanitization is implemented here: https://github.com/novuhq/novu/blob/next/libs/application-generic/src/services/sanitize/sanitizer.service.ts With `allowedAttributes: false`, all attributes are allowed through `sanitize-html`. Even dangerous ones like `oncontentvisibilityautostatechange=`. The `DANGEROUS_ATTRIBUTES` array tries to handle this by denying more attributes after the fact, but this list is incomplete. I copied all
- Actualiza a 3.15.0
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