LowGHSA-x8rc-wpg4-grpfCVE-2026-70600

Electron: Cross-origin iframe can position native autofill popup

Published 5 Aug 2026 · Updated 5 Aug 2026

Affected packages

Affected
<39.8.8
Fixed in
39.8.8
Update to the fixed version for your release line, for example:npm install electron@39.8.8
Affected
>=40.0.0-alpha.1 <40.9.1
Fixed in
40.9.1
Update to the fixed version for your release line, for example:npm install electron@40.9.1
Affected
>=41.0.0-alpha.1 <41.2.1
Fixed in
41.2.1
Update to the fixed version for your release line, for example:npm install electron@41.2.1
Affected
>=42.0.0-alpha.1 <42.0.0-beta.3
Fixed in
42.0.0-beta.3
Update to the fixed version for your release line, for example:npm install electron@42.0.0-beta.3

Details

Impact

The native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI.

Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected.

Workarounds

Do not embed untrusted content in iframes inside windows that display trusted UI.

Fixed Versions

  • 42.0.0-beta.3
  • 41.2.1
  • 40.9.0
  • 39.8.8

For more information

If you have any questions or comments about this advisory, email Electron at [security@electronjs.org](mailto:security@electronjs.org)

Is GHSA-x8rc-wpg4-grpf in any of your client repos?

Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected electron, and gives you the command that fixes it.

References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.