What is the CVSS score of CVE-2023-5654?

CVE-2023-5654 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L. EPSS exploitation probability: 0.5%.

Which versions of React Devtools are affected by CVE-2023-5654?

The React Developer Tools extension registers a message listener with window.addEventListener('message', ) in a content script that is accessible to any webpage that is active in the.. A patch is available.

Is there a patch available for CVE-2023-5654?

Yes, a patch is available for CVE-2023-5654. Update the affected software to the latest version immediately.

React Devtools CVE-2023-5654

MEDIUM

Improper Authorization (CWE-285)

2023-10-19 report@snyk.io

Authentication Bypass React Devtools

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

Oct 19, 2023 - 15:15 nvd

MEDIUM 6.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

3 npm packages depend on react-devtools-core (3 direct, 0 indirect)

Ecosystem-wide dependent count for version 4.28.4.

DescriptionNVD

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 the received message via fetch(). The URL is not validated or sanitised before it is fetched, thus allowing a malicious web page to arbitrarily fetch URL’s via the victim's browser.

AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-285. 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 the received message via fetch(). The URL is not validated or sanitised before it is fetched, thus allowing a malicious web page to arbitrarily fetch URL’s via the victim's browser. Affected products include: Facebook React-Devtools.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.