Electron's Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled
Impact
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 and contextIsolation disabled. i.e. sandbox: false and contextIsolation: false in the webPreferences object.
This resulted in incorrectly allowing usage of methods like eval() and new Function, which can result in an expanded attack surface.
Patches
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
- 23.0.0-alpha.2
We recommend all apps upgrade to the latest stable version of Electron, especially if they use sandbox: false or contextIsolation: false.
Workarounds
If 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.
const mainWindow = new BrowserWindow({
webPreferences: {
sandbox: true,
}
});For more information
If you have any questions or comments about this advisory, email us at security@electronjs.org.
Credit
Thanks to user @andreasdj for reporting this issue.
Software afectado
Haz clic en una tecnología para ver todas sus vulnerabilidades.
| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | electron | >= 22.0.0-beta.1, < 22.0.1, >= 23.0.0-alpha.1, < 23.0.0-alpha.2 | 22.0.1, 23.0.0-alpha.2 |
Referencias
- https://github.com/electron/electron/security/advisories/GHSA-gxh7-wv9q-fwfr
- https://nvd.nist.gov/vuln/detail/CVE-2023-23623
- https://github.com/electron/electron/pull/36667
- https://github.com/electron/electron/pull/36668
- https://github.com/electron/electron/commit/9e7fbc7021d8d716c43782249a552e55289c35db
- https://github.com/electron/electron
- https://github.com/electron/electron/releases/tag/v22.0.1
- Vector CVSS
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H- Debilidad (CWE)
CWE-670- Plataforma
- npm
- Paquete
electron- Publicada
- 06.09.2023
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-gxh7-wv9q-fwfr - CC BY 4.0
Historial de vulnerabilidades: electron
Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 71
- Primera → última
- 10.2017 09.2026
- Sin corrección
- 0
- Explotada en ataques
- 3
Distribución por gravedad
- Crítica 3
- Alta 26
- Media 32
- Baja 10
Divulgaciones por año
- 2017: 1
- 2018: 5
- 2019: 0
- 2020: 6
- 2021: 2
- 2022: 7
- 2023: 6
- 2024: 0
- 2025: 3
- 2026: 41
-
Electron's Content-Secrity-Policy disabling eval not applied consistently in renderers with sandbox disabled esta entrada
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