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CVE-2009-3986

Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to execute arbitrary JavaScript…

High7.6EPSS 3.7%
Published
Updated
Reserved
Assigned by
mitre

Description

Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to execute arbitrary JavaScript with chrome privileges by leveraging a reference to a chrome window from a content window, related to the window.opener property.

Scores

CVSS scores of CVE-2009-3986, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0High7.6AV:N/AC:H/Au:N/C:C/I:C/A:C
EPSS (exploitation in 30 days)
3.7% · top 10% of all CVEs (5 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.

Weakness

Affected products

  • n/a

    • affected n/a

References (25)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .