CVE-2022-34477

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.

Score

CVSS 3.1 7.5 High

Status

Modified - security@mozilla.org

Published

2022-12-22

Last modified

2025-04-15

Weaknesses

CWE-203

Affected products

• Firefox (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1731614
• https://www.mozilla.org/security/advisories/mfsa2022-24/