VULNERABILITY INTELLIGENCE

CVE-2023-1767

CVSS score4.3 MEDIUM
EPSS probability0.51%
CISA KEVNot currently listed
Published2023-04-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Description

The Snyk Advisor website (https://snyk.io/advisor/) was vulnerable to a stored XSS prior to 28th March 2023. A feature of Snyk Advisor is to display the contents of a scanned package's Readme on its package health page. An attacker could create a package in NPM with an associated markdown README file containing XSS-able HTML tags. Upon Snyk Advisor importing the package, the XSS would run each time an end user browsed to the package's page on Snyk Advisor.

Weakness classification

  • report@snyk.io: CWE-79
  • nvd@nist.gov: CWE-79

Primary references