cve.bz

CVE-2022-34477

7.5 highEPSS 0.6%

High (7.5) in mozilla firefox. EPSS 0.6% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE
CWE-203
Published
Modified
Record from
the NVD, synced

Affected

References

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