Description
Unicode RTLO characters could allow malicious websites to spoof filenames in the downloads UI for Firefox for iOS, potentially tricking users into saving files of an unexpected file type. This vulnerability was fixed in Firefox for iOS 144.0.
Affected products
mozilla: firefox
References2
- www.mozilla.org/security/advisories/mfsa2025-97/ Vendor Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=1984683 Permissions Required
Metrics
- CVSS 3.1
-
6.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 0% percentile: 11 · as of 11 November 2026
- CWE
- CWE-451
Could this be exploited in your environment?
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