VULNERABILITY INTELLIGENCE
CVE-2021-27671
CVSS score6.1 MEDIUM
EPSS probability0.69%
CISA KEVNot currently listed
Published2021-02-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory