{"id":"CVE-2023-41049","aliases":["GHSA-vp4f-wxgw-7x8x"],"url":"https://o3.security/vulnerability/CVE-2023-41049","summary":"Improper Neutralization of Script in Attributes in @dcl/single-sign-on-client","details":"@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.","published":"2023-09-01T19:35:09.224Z","modified":"2026-07-15T01:48:50.530770937Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@dcl/single-sign-on-client","fixedVersion":"0.1.0"}],"fix":{"url":"https://github.com/decentraland/single-sign-on-client/commit/bd20ea9533d0cda30809d929db85b1b76cef855a","label":"decentraland/single-sign-on-client@bd20ea9"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41049.json"},{"type":"ADVISORY","url":"https://github.com/decentraland/single-sign-on-client/security/advisories/GHSA-vp4f-wxgw-7x8x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41049"},{"type":"FIX","url":"https://github.com/decentraland/single-sign-on-client/commit/bd20ea9533d0cda30809d929db85b1b76cef855a"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:50.530770937Z"}}