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CVE-2021-30744

Date: September 8, 2021

Description: A cross-origin issue with iframe elements was addressed with improved tracking of security origins. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.

Severity Score

Related Resources (11)

https://support.apple.com/en-us/HT212529
https://nvd.nist.gov/vuln/detail/CVE-2021-30744
https://security-tracker.debian.org/tracker/CVE-2021-30744
https://support.apple.com/en-us/HT212528
https://support.apple.com/en-us/HT212532
https://support.apple.com/en-us/HT212533
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-30744
https://security.alpinelinux.org/vuln/CVE-2021-30744
https://access.redhat.com/security/cve/CVE-2021-30744
https://support.apple.com/en-us/HT212534
https://www.mend.io/vulnerability-database/CVE-2021-30744

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

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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