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RUSTSEC-2021-0063
No affected components available
comrak operates by default in a "safe" mode of operation where unsafe content, such as arbitrary raw HTML or URLs with non-standard schemes, are not permitted in the output. This is per the reference GFM implementation, cmark-gfm.
Ampersands were not being correctly escaped in link targets, making it possible
to fashion unsafe URLs using schemes like data: or javascript: by entering
them as HTML entities, e.g. data:. The intended
behaviour, demonstrated upstream, is that these should be escaped and therefore
harmless, but this behaviour was broken in comrak.
Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.
No exploitation activity has been observed at this time. Continue routine monitoring.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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