{"id":"CVE-2023-23623","aliases":["EUVD-2023-2513","GHSA-gxh7-wv9q-fwfr","openSUSE-SU-2024:12869-1"],"status":"published","title":"Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled in Electron","description":"Electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. A Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox disabled.  i.e. `sandbox: false` in the `webPreferences` object. This allows usage of methods like `eval()` and `new Function` unexpectedly which can result in an expanded attack surface. This issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes: 22.0.1 and 23.0.0-alpha.2 We recommend all apps upgrade to the latest stable version of Electron. If upgrading isn't possible, this issue can be addressed without upgrading by enabling `sandbox: true` on all renderers.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00664,"percentile":0.52095,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-670"],"published":"2023-09-06T18:42:17Z","modified":"2026-10-28T10:38:22Z","fixes":[{"ecosystem":"npm","package":"electron","fixed_in":["22.0.1","23.0.0-alpha.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"22.0.0-beta.1"},{"fixed":"22.0.1"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"23.0.0-alpha.1"},{"fixed":"23.0.0-alpha.2"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"22.0.0-beta.1"},{"fixed":"22.0.1"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"23.0.0-alpha.1"},{"fixed":"23.0.0-alpha.2"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"nodejs-electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"22.3.6-1.1"}]}],"bundled":3}],"products":[{"vendor":"atom","product":"electron"},{"vendor":"electron","product":"electron"},{"vendor":"electronjs","product":"electron"}],"references":[{"url":"https://github.com/electron/electron/security/advisories/GHSA-gxh7-wv9q-fwfr","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://github.com/electron/electron/pull/36667","tags":["web"]},{"url":"https://github.com/electron/electron/pull/36668","tags":["web"]},{"url":"https://github.com/electron/electron/commit/9e7fbc7021d8d716c43782249a552e55289c35db","tags":["web"]},{"url":"https://github.com/electron/electron/releases/tag/v22.0.1","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23623","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gxh7-wv9q-fwfr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/23xxx/CVE-2023-23623.json","tags":["advisory"]},{"url":"https://github.com/electron/electron","tags":["package"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2023-1810","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-1811","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-23623","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2023-23623","title":"Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled in Electron","description":"Electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. A Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox disabled.  i.e. `sandbox: false` in the `webPreferences` object. This allows usage of methods like `eval()` and `new Function` unexpectedly which can result in an expanded attack surface. This issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes: 22.0.1 and 23.0.0-alpha.2 We recommend all apps upgrade to the latest stable version of Electron. If upgrading isn't possible, this issue can be addressed without upgrading by enabling `sandbox: true` on all renderers.","status":"published","published":"2023-09-06T20:16:10.381Z","modified":"2024-09-26T17:48:22.057Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-670"],"updated_at":"2026-11-02T14:35:21.232549Z"}],"euvd":[{"id":"EUVD-2023-2513","description":"Electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. A Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox disabled.  i.e. `sandbox: false` in the `webPreferences` object. This allows usage of methods like `eval()` and `new Function` unexpectedly which can result in an expanded attack surface. This issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes: 22.0.1 and 23.0.0-alpha.2 We recommend all apps upgrade to the latest stable version of Electron. If upgrading isn't possible, this issue can be addressed without upgrading by enabling `sandbox: true` on all renderers.","status":"published","published":"2023-09-06T20:16:10Z","modified":"2024-09-26T17:48:22Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:08.503734Z"}],"ghsa":[{"id":"GHSA-gxh7-wv9q-fwfr","title":"Electron's Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled","description":"### Impact\nA Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox and contextIsolation disabled.  i.e. `sandbox: false` and `contextIsolation: false` in the `webPreferences` object.\n\nThis resulted in incorrectly allowing usage of methods like `eval()` and `new Function`, which can result in an expanded attack surface.\n\n### Patches\nThis issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes:\n\n- 22.0.1\n- 23.0.0-alpha.2\n\nWe recommend all apps upgrade to the latest stable version of Electron, especially if they use `sandbox: false` or `contextIsolation: false`.\n\n### Workarounds\nIf upgrading isn't possible, this issue can be addressed without upgrading by enabling at least one of `sandbox: true` or `contextIsolation: true` on all renderers.\n\n```js\nconst mainWindow = new BrowserWindow({\n  webPreferences: {\n    sandbox: true,\n  }\n});\n```\n\n### For more information\nIf you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org).\n\n### Credit\nThanks to user @andreasdj for reporting this issue.","status":"published","published":"2023-09-06T18:42:17Z","modified":"2023-11-29T20:41:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-670"],"updated_at":"2026-11-02T14:37:23.843848Z"}],"nvd":[{"id":"CVE-2023-23623","description":"Electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. A Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox disabled.  i.e. `sandbox: false` in the `webPreferences` object. This allows usage of methods like `eval()` and `new Function` unexpectedly which can result in an expanded attack surface. This issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes: 22.0.1 and 23.0.0-alpha.2 We recommend all apps upgrade to the latest stable version of Electron. If upgrading isn't possible, this issue can be addressed without upgrading by enabling `sandbox: true` on all renderers.","status":"published","published":"2023-09-06T21:15:08.977Z","modified":"2026-06-17T05:37:36.563Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-670"],"updated_at":"2026-11-02T14:08:28.268644Z"}],"osv":[{"id":"CVE-2023-23623","title":"Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled in Electron","description":"Electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. A Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox disabled.  i.e. `sandbox: false` in the `webPreferences` object. This allows usage of methods like `eval()` and `new Function` unexpectedly which can result in an expanded attack surface. This issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes: 22.0.1 and 23.0.0-alpha.2 We recommend all apps upgrade to the latest stable version of Electron. If upgrading isn't possible, this issue can be addressed without upgrading by enabling `sandbox: true` on all renderers.","status":"published","published":"2023-09-06T20:16:10.381Z","modified":"2026-10-28T10:38:22.042294328Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-670"],"updated_at":"2026-11-02T15:44:30.709518Z"},{"id":"GHSA-gxh7-wv9q-fwfr","title":"Electron's Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled","description":"### Impact\nA Content-Security-Policy that disables eval, specifically setting a `script-src` directive and _not_ providing `unsafe-eval` in that directive, is not respected in renderers that have sandbox and contextIsolation disabled.  i.e. `sandbox: false` and `contextIsolation: false` in the `webPreferences` object.\n\nThis resulted in incorrectly allowing usage of methods like `eval()` and `new Function`, which can result in an expanded attack surface.\n\n### Patches\nThis issue only ever affected the 22 and 23 major versions of Electron and has been fixed in the latest versions of those release lines. Specifically, these versions contain the fixes:\n\n- 22.0.1\n- 23.0.0-alpha.2\n\nWe recommend all apps upgrade to the latest stable version of Electron, especially if they use `sandbox: false` or `contextIsolation: false`.\n\n### Workarounds\nIf upgrading isn't possible, this issue can be addressed without upgrading by enabling at least one of `sandbox: true` or `contextIsolation: true` on all renderers.\n\n```js\nconst mainWindow = new BrowserWindow({\n  webPreferences: {\n    sandbox: true,\n  }\n});\n```\n\n### For more information\nIf you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org).\n\n### Credit\nThanks to user @andreasdj for reporting this issue.","status":"published","published":"2023-09-06T18:42:17Z","modified":"2023-11-08T04:11:41.612026Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-670"],"updated_at":"2026-11-02T15:46:48.546324Z"},{"id":"openSUSE-SU-2024:12869-1","title":"nodejs-electron-22.3.6-1.1 on GA media","description":"These are all security issues fixed in the nodejs-electron-22.3.6-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:09:22.867974Z","updated_at":"2026-11-02T16:58:36.025801Z"}]}}