CVE-2022-34477
HIGHFirefox < 102.0 - Cross-Site Leak via MediaError Message Inconsistency
Title source: llmDescription
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.
References (2)
Core 2
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1731614
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/
Scores
CVSS v3
7.5
EPSS
0.0035
EPSS Percentile
57.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-203
Status
published
Products (1)
mozilla/firefox
< 102.0
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026