CVE-2018-5135

2018-06-1121:00:00

mozilla

www.cve.org

7.8 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.4%

JSON

WebExtensions can bypass normal restrictions in some circumstances and use “browser.tabs.executeScript” to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged “about:” pages. This vulnerability affects Firefox < 59.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "59",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]