It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
References
Link | Resource |
---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1656741 | Issue Tracking Permissions Required Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-50/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-51/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-52/ | Vendor Advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1656741 | Issue Tracking Permissions Required Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-50/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-51/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-52/ | Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 05:20
Type | Values Removed | Values Added |
---|---|---|
References | () https://bugzilla.mozilla.org/show_bug.cgi?id=1656741 - Issue Tracking, Permissions Required, Vendor Advisory | |
References | () https://www.mozilla.org/security/advisories/mfsa2020-50/ - Vendor Advisory | |
References | () https://www.mozilla.org/security/advisories/mfsa2020-51/ - Vendor Advisory | |
References | () https://www.mozilla.org/security/advisories/mfsa2020-52/ - Vendor Advisory |
Information
Published : 2020-12-09 01:15
Updated : 2024-11-21 05:20
NVD link : CVE-2020-26953
Mitre link : CVE-2020-26953
CVE.ORG link : CVE-2020-26953
JSON object : View
Products Affected
mozilla
- firefox
- thunderbird
- firefox_esr
CWE
CWE-1021
Improper Restriction of Rendered UI Layers or Frames