CVE-2025-3859 Information

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 affects Focus < 138.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1951533 https://www.mozilla.org/security/advisories/mfsa2025-33/