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cvelistMozillaCVELIST:CVE-2020-26967
HistoryDec 09, 2020 - 12:25 a.m.

CVE-2020-26967

2020-12-0900:25:40
mozilla
www.cve.org

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%

When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox < 83.

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "affected",
        "version": "< 83"
      }
    ]
  }
]

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%