Narrow authored iframe embeds to an approved-provider allowlist - #466

Narrow authored iframe embeds to an approved-provider allowlist#466

jeremy wants to merge 5 commits into

security/xss-campaign-writebook-csp-report-onlybasecamp/writebook:security/xss-campaign-writebook-csp-report-onlyfrom

security/xss-campaign-writebook-iframe-allowlistbasecamp/writebook:security/xss-campaign-writebook-iframe-allowlistCopy head branch name to clipboard