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VULNERABILITIES

CVE-2021-27671 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://rustsec.org/advisories/RUSTSEC-2021-0026.html CVEThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0026.html [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
comrak project comrak
< 0.9.1

CPE

  • cpe:2.3:a:comrak_project:comrak:*:*:*:*:*:rust:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-27671
NVD Published Date:
Feb 25, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]