CVE-2018-6341

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.

We have discovered 41 live websites that are affected by CVE-2018-6341.

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Affected Software

Product  React JS
Category JavaScript Frameworks
Vulnerable Domains41 live websites (less than 0.1% of React JS install base)
Vulnerable Versions
  • from 16.0.1 through 16.0.1
  • from 16.1.2 through 16.1.2
  • from 16.2.1 through 16.2.1
  • from 16.3.3 through 16.3.3
  • from 16.4.2 through 16.4.2
Vulnerable Versions Count2 versions ( 5.00% of all versions)


Common Weakness Enumeration

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')



Details

  • Published - Dec 31, 2018
  • Updated - May 6, 2025

Website Distribution by Country

Number of websites using CVE-2018-6341
United States29 websites


Germany5 websites
Canada2 websites
China1 websites
GB1 websites
India1 websites
Italy1 websites
Netherlands1 websites

Website Distribution by TLD

Number of websites using CVE-2018-6341
.com28 websites
.at2 websites
.ca2 websites
.nl2 websites
.ch1 websites
.de1 websites
.eu1 websites
.it1 websites
.org1 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2018-6341

Top websites that are affected by CVE-2018-6341. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*********.com United States***,***
******.me United States*,***,***
******.*******.com United States*,***,***
********.*****.ca Canada*,***,***
**************.com United States*,***,***
***********.**********.com United States*,***,***
********.**********.com United States*,***,***
*************.nl United States**,***,***
*************.at United States**,***,***
*****.**********.com United States**,***,***
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FAQ

CVE-2018-6341 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in React JS
A total of 41 websites have been identified as vulnerable to CVE-2018-6341, based on global website indexing conducted by WebTechSurvey.
The React JS is affected by the CVE-2018-6341 vulnerability.
React JS versions up to and including 16.4.2 are vulnerable to CVE-2018-6341.