What is CVE-2023-41049?

CVE-2023-41049 is a high-severity vulnerability in Decentraland Single-Sign-On-Client, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2023-09-01.

How severe is CVE-2023-41049?

High severity. CVSS v3 base score is 7.5 out of 10.

XSS in Decentraland Single-Sign-On-Client

CVE-2023-41049

@dcl/single-sign-on-client is an open source npm library which deals with single sign on authentication flows. Improper input validation in the `init` function allows arbitrary javascript to be executed using the `javascript:` prefix. This vulnerability has been patched on version `0.1.0`. Users are advised to upgrade. Users unable to upgrade should limit untrusted user input to the `init` function.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Decentraland Single-sign-on-client — versions < 0.1.0
Decentraland Single_sign_on_client

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-41049?: CVE-2023-41049 is a high-severity vulnerability in Decentraland Single-Sign-On-Client, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2023-09-01.
How severe is CVE-2023-41049?: High severity. CVSS v3 base score is 7.5 out of 10.