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Vulnerability Details CVE-2025-3859

Websites directing users to long URLs that caused eliding to occur in the location view could leverage the truncating behavior to potentially trick users into thinking they were on a different webpage This vulnerability affects Focus < 138.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 8.0%

CVSS Severity

CVSS v3 Score 6.1

References

Products affected by CVE-2025-3859

Mozilla » Firefox Focus » Version: N/A

cpe:2.3:a:mozilla:firefox_focus:-
Mozilla » Firefox Focus » Version: 100.0

cpe:2.3:a:mozilla:firefox_focus:100.0
Mozilla » Firefox Focus » Version: 102.0

cpe:2.3:a:mozilla:firefox_focus:102.0
Mozilla » Firefox Focus » Version: 103.0

cpe:2.3:a:mozilla:firefox_focus:103.0
Mozilla » Firefox Focus » Version: 104.0

cpe:2.3:a:mozilla:firefox_focus:104.0
Mozilla » Firefox Focus » Version: 105.0

cpe:2.3:a:mozilla:firefox_focus:105.0
Mozilla » Firefox Focus » Version: 106.0

cpe:2.3:a:mozilla:firefox_focus:106.0
Mozilla » Firefox Focus » Version: 107.0

cpe:2.3:a:mozilla:firefox_focus:107.0
Mozilla » Firefox Focus » Version: 107.1

cpe:2.3:a:mozilla:firefox_focus:107.1
Mozilla » Firefox Focus » Version: 108.0

cpe:2.3:a:mozilla:firefox_focus:108.0
Mozilla » Firefox Focus » Version: 108.1

cpe:2.3:a:mozilla:firefox_focus:108.1
Mozilla » Firefox Focus » Version: 109.0

cpe:2.3:a:mozilla:firefox_focus:109.0
Mozilla » Firefox Focus » Version: 110.0

cpe:2.3:a:mozilla:firefox_focus:110.0
Mozilla » Firefox Focus » Version: 111.0

cpe:2.3:a:mozilla:firefox_focus:111.0
Mozilla » Firefox Focus » Version: 111.1

cpe:2.3:a:mozilla:firefox_focus:111.1
Mozilla » Firefox Focus » Version: 112.0

cpe:2.3:a:mozilla:firefox_focus:112.0
Mozilla » Firefox Focus » Version: 113.0

cpe:2.3:a:mozilla:firefox_focus:113.0
Mozilla » Firefox Focus » Version: 114.0

cpe:2.3:a:mozilla:firefox_focus:114.0
Mozilla » Firefox Focus » Version: 115.0

cpe:2.3:a:mozilla:firefox_focus:115.0
Mozilla » Firefox Focus » Version: 116.0

cpe:2.3:a:mozilla:firefox_focus:116.0
Mozilla » Firefox Focus » Version: 117.0

cpe:2.3:a:mozilla:firefox_focus:117.0
Mozilla » Firefox Focus » Version: 118.0

cpe:2.3:a:mozilla:firefox_focus:118.0
Mozilla » Firefox Focus » Version: 119.0

cpe:2.3:a:mozilla:firefox_focus:119.0
Mozilla » Firefox Focus » Version: 120.0

cpe:2.3:a:mozilla:firefox_focus:120.0
Mozilla » Firefox Focus » Version: 121.0

cpe:2.3:a:mozilla:firefox_focus:121.0
Mozilla » Firefox Focus » Version: 122.0

cpe:2.3:a:mozilla:firefox_focus:122.0
Mozilla » Firefox Focus » Version: 122.1

cpe:2.3:a:mozilla:firefox_focus:122.1
Mozilla » Firefox Focus » Version: 123.0

cpe:2.3:a:mozilla:firefox_focus:123.0
Mozilla » Firefox Focus » Version: 124.0

cpe:2.3:a:mozilla:firefox_focus:124.0
Mozilla » Firefox Focus » Version: 124.1

cpe:2.3:a:mozilla:firefox_focus:124.1
Mozilla » Firefox Focus » Version: 125.0

cpe:2.3:a:mozilla:firefox_focus:125.0
Mozilla » Firefox Focus » Version: 126.0

cpe:2.3:a:mozilla:firefox_focus:126.0
Mozilla » Firefox Focus » Version: 126.1

cpe:2.3:a:mozilla:firefox_focus:126.1
Mozilla » Firefox Focus » Version: 127.0

cpe:2.3:a:mozilla:firefox_focus:127.0
Mozilla » Firefox Focus » Version: 128.0

cpe:2.3:a:mozilla:firefox_focus:128.0
Mozilla » Firefox Focus » Version: 129.0

cpe:2.3:a:mozilla:firefox_focus:129.0
Mozilla » Firefox Focus » Version: 129.2

cpe:2.3:a:mozilla:firefox_focus:129.2
Mozilla » Firefox Focus » Version: 130.0

cpe:2.3:a:mozilla:firefox_focus:130.0
Mozilla » Firefox Focus » Version: 131.0

cpe:2.3:a:mozilla:firefox_focus:131.0
Mozilla » Firefox Focus » Version: 131.1

cpe:2.3:a:mozilla:firefox_focus:131.1
Mozilla » Firefox Focus » Version: 132.0

cpe:2.3:a:mozilla:firefox_focus:132.0
Mozilla » Firefox Focus » Version: 133.0

cpe:2.3:a:mozilla:firefox_focus:133.0

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Vulnerability Details CVE-2025-3859

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