CVE-2020-12391

2020-05-2617:02:35

mozilla

www.cve.org

7.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.8%

JSON

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "76",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]