# Electron contextIsolation RCE via Electron internal code
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## Example 1
Example from
"exit" event listener is always set by the internal code when de page loading is started. This event is emitted just before navigation:
```javascript
process.on('exit', function (){
for (let p in cachedArchives) {
if (!hasProp.call(cachedArchives, p)) continue
cachedArchives[p].destroy()
}
})
```
{% embed url="" %}
.png?alt=media)
-- No longer exists
Then it goes here:
.png?alt=media)
Where "self" is Node's process object:
.png?alt=media)
The process object has a references to "require" function:
```
process.mainModule.require
```
As the handler.call is going to receive the process object we can overwrite it to execute arbitrary code:
```html
```
## Example 2
Get **require object from prototype pollution**. From
Leak:
Exploit:
{% hint style="success" %}
Learn & practice AWS Hacking:[**HackTricks Training AWS Red Team Expert (ARTE)**](https://training.hacktricks.xyz/courses/arte)\
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Support HackTricks
* Check the [**subscription plans**](https://github.com/sponsors/carlospolop)!
* **Join the** 💬 [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** us on **Twitter** 🐦 [**@hacktricks\_live**](https://twitter.com/hacktricks_live)**.**
* **Share hacking tricks by submitting PRs to the** [**HackTricks**](https://github.com/carlospolop/hacktricks) and [**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github repos.
{% endhint %}
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```
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