vulnerability
MFSA2021-28 Firefox: Security Vulnerabilities fixed in Firefox 90 (CVE-2021-29975)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jul 13, 2021 | Jul 14, 2021 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jul 13, 2021
Added
Jul 14, 2021
Modified
Mar 27, 2026
Description
Through a series of DOM manipulations, a message, over which the attacker had control of the text but not HTML or formatting, could be overlaid on top of another domain (with the new domain correctly shown in the address bar) resulting in possible user confusion. This vulnerability affects Firefox < 90.
Solution
mozilla-firefox-upgrade-90_0
Rapid7 Labs
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