Vulnerability Details : CVE-2021-38497
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.
Products affected by CVE-2021-38497
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38497
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38497
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-38497
-
The product does not properly verify that the source of data or communication is valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-38497
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1726621
Access DeniedPermissions Required;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-43/
Security Vulnerabilities fixed in Firefox 93 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-47/
Security Vulnerabilities fixed in Thunderbird 91.2 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-45/
Security Vulnerabilities fixed in Firefox ESR 91.2 — MozillaVendor Advisory
Jump to