Medium severity · published Dec 31, 2018
CVE-2018-6341
React applications which rendered to HTML using the ReactDOMServer API were not escaping user-supplied attribute names at render-time
6.1
CVSS
3.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
React · Facebook
16.0.0 before 16.0.1; 16.1.0 before 16.1.2; 16.2.0 before 16.2.1; 16.3.0 before 16.3.3; 16.4.0 before 16.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-6341
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-6341
Vendor Advisory
https://reactjs.org/blog/2018/08/01/react-v-16-4-2.html
Vendor Advisory
https://twitter.com/reactjs/status/1024745321987887104
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