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GHSA-hvf8-h2qh-37m9

MediumCVSS 5.4 / 10
Published Jan 28, 2021·Last modified Mar 13, 2026
Affected Components(0)

No affected components available

Description

Impact

IPC messages sent from the main process to a subframe in the renderer process, through webContents.sendToFrame, event.reply or when using the remote module, can in some cases be delivered to the wrong frame.

If your app does ANY of the following, then it is impacted by this issue:

  • Uses remote
  • Calls webContents.sendToFrame
  • Calls event.reply in an IPC message handler

Patches

This has been fixed in the following versions:

  • 9.4.0
  • 10.2.0
  • 11.1.0
  • 12.0.0-beta.9

Workarounds

There are no workarounds for this issue.

For more information

If you have any questions or comments about this advisory, email us at security@electronjs.org.

Risk Scores
Base Score
5.4

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence
5.0

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
1.73%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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