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[7.3.12] - 2026-05-21
Security
Fixed stored XSS vulnerability in alt.html and alt.markdown Q&A response fields by adding server-side sanitization and aligning the Content Designer allowlist. Custom HTML tags and attributes outside the default allowlist will be excluded from Q&A responses and from content saved in the Content Designer. See Server-side sanitization and using custom tags and attributes in responses in the Implementation Guide for details on the default allowlist and customization instructions.
Fixed
Fixed fresh stack CREATE failure by removing the aws-sdk: npm:dry-uninstall@* override from cfn-lambda-layer.