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CVE-2018-6341

UNKNOWN
Published 2018-12-31T22:00:00.000Z
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CVSS Score

V3.1
6.1
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.160
probability
of exploitation in the wild

There is a 16.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.944
Higher than 94.4% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

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 16.4.x. It was fixed in 16.0.1, 16.1.2, 16.2.1, 16.3.3, and 16.4.2.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Facebook

react-dom

Affected Versions:

16.4.2 16.4.0 16.3.3 16.3.0 16.2.1 16.2.0 16.1.2 16.1.0 16.0.1 16.0.0 unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Cross-Site Scripting in react-dom

GHSA-mvjj-gqq2-p4hw

Advisory Details

Affected versions of `react-dom` are vulnerable to Cross-Site Scripting (XSS). The package fails to validate attribute names in HTML tags which may lead to Cross-Site Scripting in specific scenarios. This may allow attackers to execute arbitrary JavaScript in the victim's browser. To be affected by this vulnerability, the application needs to: - be a server-side React app - be rendered to HTML using `ReactDOMServer` - include an attribute name from user input in an HTML tag ## Recommendation If you are using `react-dom` 16.0.x, upgrade to 16.0.1 or later. If you are using `react-dom` 16.1.x, upgrade to 16.1.2 or later. If you are using `react-dom` 16.2.x, upgrade to 16.2.1 or later. If you are using `react-dom` 16.3.x, upgrade to 16.3.3 or later. If you are using `react-dom` 16.4.x, upgrade to 16.4.2 or later.

Affected Packages

npm react-dom
ECOSYSTEM: ≥16.0.0 <16.0.1
npm react-dom
ECOSYSTEM: ≥16.1.0 <16.1.2
npm react-dom
ECOSYSTEM: ≥16.2.0 <16.2.1
npm react-dom
ECOSYSTEM: ≥16.3.0 <16.3.3
npm react-dom
ECOSYSTEM: ≥16.4.0 <16.4.2

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-6341
ADVISORY https://github.com/advisories/GHSA-mvjj-gqq2-p4hw
WEB https://reactjs.org/blog/2018/08/01/react-v-16-4-2.html
WEB https://snyk.io/vuln/npm:react-dom:20180802
WEB https://twitter.com/reactjs/status/1024745321987887104
WEB https://www.npmjs.com/advisories/1421

Advisory provided by GitHub Security Advisory Database. Published: January 4, 2019, Modified: September 13, 2023

References

https://reactjs.org/blog/2018/08/01/react-v-16-4-2.html
https://twitter.com/reactjs/status/1024745321987887104
Published: 2018-12-31T22:00:00.000Z
Last Modified: 2025-05-06T16:54:17.932Z
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