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CVE-2021-29975 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1713259	CVE	ExploitIssue TrackingVendor Advisory
https://security.gentoo.org/glsa/202202-03	CVE	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-28/	CVE	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1713259	[email protected]	ExploitIssue TrackingVendor Advisory
https://security.gentoo.org/glsa/202202-03	[email protected]	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-28/	[email protected]	Vendor Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
mozilla firefox	< 90.0
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Mar 16, 2022	Modified Analysis	[email protected]
Feb 22, 2022	CVE Modified	[email protected]
Aug 12, 2021	Initial Analysis	[email protected]