XSS in Facebook React
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 rele…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.034 (87.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Facebook React
- Facebook React-dom — versions 16.4.2, 16.4.0, 16.3.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-assign@fb.com (x_refsource_MISC, Vendor Advisory)
- cve-assign@fb.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-6341?
- CVE-2018-6341 is a medium-severity vulnerability in Facebook React, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-12-31.
- How severe is CVE-2018-6341?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2018-6341 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.