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CVE-2022-34477

Date: December 21, 2022

The MediaError message property should be consistent to avoid leaking information about cross-origin resources; however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 102.

Severity Score

Related Resources (6)

https://bugzilla.mozilla.org/show_bug.cgi?id=1731614
https://www.mozilla.org/security/advisories/mfsa2022-24/
https://security.alpinelinux.org/vuln/CVE-2022-34477
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-34477
https://nvd.nist.gov/vuln/detail/CVE-2022-34477
https://www.mend.io/vulnerability-database/CVE-2022-34477

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Observable Discrepancy

CWE-203

CVSS v3.1

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

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