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.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Mozilla Firefox Focus
PublishedApr 30, 2025
First seenApr 30, 2025
Weakness typeCWE-451CWE-451
How to fix
Update
- mozilla firefox_focus138.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox_focus | v < 138.0 | 138.0 |
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