CVE-2023-25730

2023-06-0200:00:00

mozilla

www.cve.org

background script

requestfullscreen

main thread

browser

fullscreen mode

user confusion

spoofing attacks

vulnerability

firefox

thunderbird

firefox esr

AI Score

6.4

Confidence

High

EPSS

0.001

Percentile

37.6%

JSON

A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CNA Affected

[
  {
    "vendor": "Mozilla",
    "product": "Firefox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "110",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Thunderbird",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102.8",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Mozilla",
    "product": "Firefox ESR",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "102.8",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]