CVE-2023-1767 Information

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.

Reference

https://weizman.github.io/2023/04/10/snyk-xss/ https://support.snyk.io/hc/en-us/articles/10146704933405