CVE-2023-41049: Decentraland Single Sign On Client

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

@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.

Affected products

• Decentraland Single Sign On Client: before 0.1.0 (fixed in 0.1.0)

Published 2023-09-01. Last modified 2026-06-17.