Vulnerability · Published Sep 1, 2023 · Assigned by GitHub_M

CVE-2023-41049Improper Neutralization of Script in Attributes in @dcl/single-sign-on-client

High 7.5

In plain English

A high-severity cross-site scripting in single-sign-on-client from decentraland. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 60.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

@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 packages & fixed versions

EcosystemPackageFixed inAdvisory
npm@dcl/single-sign-on-client0.1.0GHSA-vp4f-wxgw-7x8x

Affected products (as reported)

VendorProductVersions
decentraland single-sign-on-client < 0.1.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References