CVE-2022-34477

2022-12-2200:00:00

mozilla

www.cve.org

mediaerror

inconsistency

xs-leaks

firefox

7.9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

51.9%

JSON

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.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]