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RSS Link input is vulnerable to HTML injection #1

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tankeehock opened this issue May 1, 2024 · 0 comments
Open

RSS Link input is vulnerable to HTML injection #1

tankeehock opened this issue May 1, 2024 · 0 comments

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@tankeehock
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When the reader ingests the RSS feed, it attempts to parse the XML content. However the use of CDATA within the Link element can be used to perform HTML injection. A simple payload will look like this: <![CDATA[ https://google.com"> <img src="1"> ]]>.

Recommend to escape the characters before displaying to the user.
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@tankeehock