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CVE-2020-26962

Date: December 8, 2020

Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation. This vulnerability affects Firefox < 83.

Severity Score

Related Resources (6)

https://www.mozilla.org/security/advisories/mfsa2020-50/
https://nvd.nist.gov/vuln/detail/CVE-2020-26962
https://bugzilla.mozilla.org/show_bug.cgi?id=610997
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26962
https://security.alpinelinux.org/vuln/CVE-2020-26962
https://www.mend.io/vulnerability-database/CVE-2020-26962

Severity Score

Weakness Type (CWE)

Improper Restriction of Rendered UI Layers or Frames

CWE-1021

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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