CVEvulnerability
CVE-2021-38497
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-11-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-346
Description
Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Affected configurations
• mozilla firefox (< 93.0)
• mozilla firefox esr (< 91.2)
• mozilla thunderbird (< 91.2)
Related
Weakness · CWE (1)
- CWE-346 Origin Validation Error weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1726621 Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-43/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-45/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-47/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1726621 Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-43/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-45/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-47/ Vendor Advisory