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| -rw-r--r-- | readme.md | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -388,6 +388,14 @@ dangerous protocols are used, as it encodes or drops them. Turning on the `allow_dangerous_html` or `allow_dangerous_protocol` options for user-provided markdown opens you up to XSS attacks. +An aspect related to XSS for security is syntax errors: markdown itself has no +syntax errors. +Some syntax extensions (specifically, only MDX) do include syntax errors. +For that reason, `micromark_with_options` returns `Result<(), String>`, of which +the error is a simple string indicating where the problem happened, what +occurred, and what was expected instead. +Make sure to handle your errors when using MDX. + Another security aspect is DDoS attacks. For example, an attacker could throw a 100mb file at micromark, in which case it’s going to take a long while to finish. |