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Vendor

heyform

6 known vulnerabilities.

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  • High 7.6

    HeyForm: Uploaded HTML files are served as text/html on the app origin with no CSP — stored XSS

    HeyForm is an open-source form builder. Prior to 3.0.1, /api/upload accepts a file according to the client-controlled multipart file.mimetype while retaining an HTML filename, and static/upload serves the resulting file as text/html with contentSecurityPolicy…

  • High 8.1

    HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials

    HeyForm before 3.0.0-rc.8 reflects the request Origin header in CORS responses while allowing credentials, enabling cross-origin requests with authentication. Attackers can execute authenticated GraphQL queries from malicious pages visited by logged-in users …

  • High 8.6

    HeyForm has unauthenticated /api/upload endpoint that accepts arbitrary files with no auth/session/form context

    HeyForm is an open-source form builder. Prior to version 3.0.0-rc.9, `POST /api/upload` has no authentication guard, no global guard, no form-context validation, no `openToken` requirement, and no session cookie check. Any anonymous internet user can upload f…