CVE-2025-3859

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.

PUBLISHED Reserved 2025-04-21 | Published 2025-04-30 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

James Lee

References

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

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

cve.org (CVE-2025-3859)

nvd.nist.gov (CVE-2025-3859)

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