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outlook-email-shared-mailboxes

Work with delegated or shared Outlook Email mailboxes. Use when the user explicitly wants to read another mailbox, send from or on behalf of a shared mailbox, mark shared mail read or unread, move shared mail, or browse folders in a shared mailbox.

80

Quality

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Low

Low-risk findings.

1 low severity finding. Worth noting, but not necessarily harmful.

Low

W011: Third-party content exposure detected (indirect prompt injection risk).

What this means

The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.

Why it was flagged

The required workflow is explicitly about operating on a delegated/shared Outlook mailbox by fetching shared mailbox messages/folders and then performing actions on them; that runtime ingestion of message bodies and other email text is outsider-authored content (other mailbox users/senders) and can be injected into the agent LLM context via the Outlook “fetch/list” → message/folder text being added to prompts.

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Repository
openai/plugins
Audited
Security analysis
Snyk

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