Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 93.0 |
| Mozilla | Firefox Esr | < 91.2 |
| Mozilla | Thunderbird | < 91.2 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1726621Permissions RequiredVendor 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=1726621Permissions RequiredVendor 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
FAQ
What is CVE-2021-38497?
CVE-2021-38497 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 vulnerabili...
How severe is CVE-2021-38497?
CVE-2021-38497 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-38497?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.