CVE-2021-38506

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-38506
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-38506.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-38506
Downstream
Related
Published
2021-12-08T22:15:08Z
Modified
2025-08-09T20:01:25Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

References

Affected packages