Stored XSS via transloadit.com and imageproxy
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原文摘录
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Hello, due to poor input file validation on transloadit.com, it is possible to upload and process any filetype on their server, which would later be uploaded to coursera-profile-photos.s3.amazonaws.com. From there, since imageproxy trusts coursera-profile-photos.s3.amazonaws.com, one can fetch …
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阅读 HackerOne 原文 ↗作者 @c0rdis · 版权归作者与 Coursera 所有