Harden supply chain: message-center injection, PII in samples, workfl… - #484
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soyalejolopez merged 2 commits intoJul 22, 2026
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…ow perms - update-message-center: sanitise fetched Message Center posts against a schema whitelist and JSON.stringify + escape </script>, U+2028/2029 and & when embedding data into the generated page, preventing stored HTML/script injection from upstream feed content. Also removes the unattended 'gh pr merge --auto' step so generated changes require human review. - Sample data: replace real-looking tenant identities, UPNs, phone numbers and GUIDs in three sample CSVs with Contoso / 555-01xx / random-GUID placeholders (no PII). - build-catalog.yml: drop top-level token to 'contents: read' and grant 'contents: write' only to the publish job, so the PR-triggered validate job (which runs untrusted fork changes) can no longer write to the repo. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: cecb163d-04c4-4b01-ab7a-14d25f7ec690
Empty commit to run Stage 1 PR Sweeper against the now-fixed workflow on master. Will be removed by squash-merge. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: cecb163d-04c4-4b01-ab7a-14d25f7ec690
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…ow perms
Co-authored-by: Copilot App 223556219+Copilot@users.noreply.github.com
Copilot-Session: cecb163d-04c4-4b01-ab7a-14d25f7ec690