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Graby has stored XSS via iframe srcdoc Attribute in htmLawed Sanitization Config
## Summary Graby's `cleanupXss()` function configures htmLawed with conflicting settings: `safe=1` (which removes `<iframe>`) combined with `'elements' => '*+iframe-meta'` (which re-enables `<iframe>`). htmLawed does not sanitize the `srcdoc` attribute, allow…