What is CVE-2021-27671?

CVE-2021-27671 is a medium-severity vulnerability in Comrak Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-25.

How severe is CVE-2021-27671?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Comrak Project

CVE-2021-27671

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Comrak_project Comrak
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-27671?: CVE-2021-27671 is a medium-severity vulnerability in Comrak Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-25.
How severe is CVE-2021-27671?: Medium severity. CVSS v3 base score is 6.1 out of 10.