CVE-2023-1767

Public Exploit

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 4.00% Top 15%
Vendor Advisory snyk.io
Affected: Snyk Snyk Advisor
Published at:
Updated at:

References

Link Tags
https://support.snyk.io/hc/en-us/articles/10146704933405 vendor advisory
https://weizman.github.io/2023/04/10/snyk-xss/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-1767?
CVE-2023-1767 has been scored as a medium severity vulnerability.
How to fix CVE-2023-1767?
To fix CVE-2023-1767, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-1767 being actively exploited in the wild?
It is possible that CVE-2023-1767 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-1767?
CVE-2023-1767 affects Snyk Snyk Advisor.
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