CVE-2025-3859

medium

Description

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 was fixed in Focus 138.

References

https://www.mozilla.org/security/advisories/mfsa2025-33/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-12733

https://bugzilla.mozilla.org/show_bug.cgi?id=1951533

Details

Source: Mitre, NVD

Published: 2025-04-30

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N