{"id":"CVE-2020-15119","aliases":["EUVD-2020-0601","GHSA-6gg3-pmm7-97xc"],"status":"published","title":"DOM-based XSS in auth0-lock","description":"In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00546,"percentile":0.46248,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2020-08-19T21:05:03Z","modified":"2026-10-20T10:51:54Z","fixes":[{"ecosystem":"npm","package":"auth0-lock","fixed_in":["11.26.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"auth0-lock","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"11.25.1"},{"fixed":"11.26.3"}]}]},{"source":"osv","ecosystem":"npm","package":"auth0-lock","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"11.26.3"}]}]}],"products":[{"vendor":"auth0","product":"lock"}],"references":[{"url":"https://github.com/auth0/lock/security/advisories/GHSA-6gg3-pmm7-97xc","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/auth0/lock/commit/3711fb5b42afd40073a61a58759251f51e768b1b","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15119","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6gg3-pmm7-97xc"}],"sources":{"cve":[{"id":"CVE-2020-15119","title":"DOM-based XSS in auth0-lock","description":"In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.","status":"published","published":"2020-08-19T21:20:11Z","modified":"2024-08-04T13:08:21.963Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-0601","description":"In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.","status":"published","published":"2020-08-19T21:20:11Z","modified":"2024-08-04T13:08:21Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T03:07:33.100327Z"}],"ghsa":[{"id":"GHSA-6gg3-pmm7-97xc","title":"DOM-based XSS in auth0-lock","description":"### Overview\nVersions before and including `11.25.1` are using `dangerouslySetInnerHTML` to display an informational message when used with a Passwordless or Enterprise connection.\n\n- For Passwordless connection, the value of the input (email or phone number) is displayed back to the user while waiting for verification code input.  \n- For Enterprise connection, the value of the input (IdP Domain) from the Enterprise connection setup screen (Auth0 Dashboard) is displayed back to the user when the `lock` widget opens.\n\nWhen Passwordless or Enterprise connection is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.\n\n### Am I affected?\nYou are affected by this vulnerability if all of the following conditions apply:\n\n- You are using auth0-lock\n- You are using Passwordless or Enterprise connection mode\n\n### How to fix that?\nUpgrade to version `11.26.3`\n\n### Will this update impact my users?\nThe fix provided in patch will not affect your users.\n\n### Credit\nhttps://github.com/mvisat","status":"published","published":"2020-08-19T21:05:03Z","modified":"2023-01-09T05:03:33Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:05.705235Z"}],"nvd":[{"id":"CVE-2020-15119","description":"In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.","status":"published","published":"2020-08-20T01:17:11.68Z","modified":"2026-06-17T02:56:05.38Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"CVE-2020-15119","description":"In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.","status":"published","published":"2020-08-20T01:17:11.68Z","modified":"2026-10-20T10:51:54.116810394Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"GHSA-6gg3-pmm7-97xc","title":"DOM-based XSS in auth0-lock","description":"### Overview\nVersions before and including `11.25.1` are using `dangerouslySetInnerHTML` to display an informational message when used with a Passwordless or Enterprise connection.\n\n- For Passwordless connection, the value of the input (email or phone number) is displayed back to the user while waiting for verification code input.  \n- For Enterprise connection, the value of the input (IdP Domain) from the Enterprise connection setup screen (Auth0 Dashboard) is displayed back to the user when the `lock` widget opens.\n\nWhen Passwordless or Enterprise connection is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.\n\n### Am I affected?\nYou are affected by this vulnerability if all of the following conditions apply:\n\n- You are using auth0-lock\n- You are using Passwordless or Enterprise connection mode\n\n### How to fix that?\nUpgrade to version `11.26.3`\n\n### Will this update impact my users?\nThe fix provided in patch will not affect your users.\n\n### Credit\nhttps://github.com/mvisat","status":"published","published":"2020-08-19T21:05:03Z","modified":"2026-07-08T06:29:08.829297326Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}