{"cve":"CVE-2023-41049","nvd":{"published":"2023-09-01T20:15:07.873","modified":"2026-06-17T06:20:17.830","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/decentraland/single-sign-on-client/commit/bd20ea9533d0cda30809d929db85b1b76cef855a","https://github.com/decentraland/single-sign-on-client/security/advisories/GHSA-vp4f-wxgw-7x8x","https://github.com/decentraland/single-sign-on-client/commit/bd20ea9533d0cda30809d929db85b1b76cef855a","https://github.com/decentraland/single-sign-on-client/security/advisories/GHSA-vp4f-wxgw-7x8x"],"products":["decentraland:single_sign_on_client"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-41049","score":0.00457,"percentile":0.39639,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vp4f-wxgw-7x8x","url":"https://osv.dev/vulnerability/GHSA-vp4f-wxgw-7x8x","summary":"Improper Neutralization of Script in Attributes in @dcl/single-sign-on-client","modified":"2026-09-10T03:50:03.280301481Z","packages":[{"ecosystem":"npm","name":"@dcl/single-sign-on-client","purl":"pkg:npm/%40dcl/single-sign-on-client","ranges":["<0.1.0"],"fixed":["0.1.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}