facebook react vulnerabilities and exploits

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6.1

CVSSv3

React applications which rendered to HTML using the ReactDOMServer API were not escaping user-supplied attribute names at render-time. That lack of escaping could lead to a cross-site scripting vulnerability. This issue affected minor releases 16.0.x, 16.1.x, 16.2.x, 16.3.x, and ...

Facebook React

4 Github repositories

6.5

CVSSv3

The React Developer Tools extension registers a message listener with window.addEventListener('message', <listener>) in a content script that is accessible to any webpage that is active in the browser. Within the listener is code that requests a URL derived from t...

Facebook React-devtools

7.5

CVSSv3

A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.

Facebook React-native

1 Github repository

5.6

CVSSv3

react-dev-utils prior to v11.0.4 exposes a function, getProcessForPort, where an input argument is concatenated into a command string to be executed. This function is typically used from react-scripts (in Create React App projects), where the usage is safe. Only when this functio...

Facebook React-dev-utils

9.8

CVSSv3

react-dev-utils on Windows allows developers to run a local webserver for accepting various commands, including a command to launch an editor. The input to that command was not properly sanitized, allowing an attacker who can make a network request to the server (either via CSRF ...

Facebook React-dev-utils

9.8

CVSSv3

A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native appl...

Facebook Hermes

9.8

CVSSv3

A type confusion bug in TypedArray prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could have been used by a malicious malicious user to execute arbitrary code via untrusted JavaScript. Note that this is only exploitable in cases where Hermes is used to execute untrusted...

Facebook Hermes -

9.8

CVSSv3

An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows malicious users to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits ...

Facebook Hermes

9.8

CVSSv3

A use after free in hermes, while emitting certain error messages, prior to commit d86e185e485b6330216dee8e854455c694e3a36e allows malicious users to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes perm...

Facebook Hermes

9.8

CVSSv3

An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious malicious user to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to...

Facebook Hermes

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