Vulnerability Monitor

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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.

Published

2021-11-03T01:15:07.427

Last Modified

2024-11-21T06:17:14.877

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-346

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 93.0	Yes
Application	mozilla	firefox_esr	< 91.2	Yes
Application	mozilla	thunderbird	< 91.2	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1726621 Permissions Required, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2021-43/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2021-45/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2021-47/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1726621 Permissions Required, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2021-43/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2021-45/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2021-47/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)