CVE-2025-27424 json
Firefox Mobile iOS Address Bar Spoof Using Server-Side Redirect to non-http Scheme
published last yr. modified last mo. also EUVD-2025-7772
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
Websites redirecting to a non-HTTP scheme URL could allow a website address to be spoofed for a malicious page. This vulnerability was fixed in Firefox for iOS 136.
Patch / fix
- mozilla firefox 136
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
Affected products
- Mozilla Firefox for iOS
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
mozilla.org
/security/advisories/mfsa2025-13/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1945392
issue-tracking
Sources
- CVE List CVE-2025-27424
- NVD CVE-2025-27424
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.