postiz

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CVE-2026-40487 - Postiz <= 2.21.5 - Arbitrary File Upload via MIME-Type Spoofing → Stored XSS → Account Takeover

security exploit file-upload xss poc vulnerability cve account-takeover stored-xss postiz mime-spoofing cve-2026-40487

Reusable Postiz MCP server for integrations, posts, upload-from-url media, and draft creation

python social-media mcp content-automation mcp-server postiz

[ARCHIVED — merged into github.com/howardleegeek/growth-os/tree/main/clawmarketing]

python a2a mcp-server postiz a2a-server ag-ui

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