CVE-2021-27671

Description

An issue was discovered in the comrak crate before 0.9.1 for Rust. XSS can occur because the protection mechanism for data: and javascript: URIs is case-sensitive, allowing (for example) Data: to be used in an attack.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory rustsec.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://rustsec.org/advisories/RUSTSEC-2021-0026.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27671?
CVE-2021-27671 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27671?
To fix CVE-2021-27671, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27671 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27671 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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