CVE-2021-38509

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-38509
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38509.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-38509
Downstream
Related
Published
2021-12-08T22:15:09Z
Modified
2025-08-09T19:01:26Z
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

Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

References

Affected packages