CVE-2025-8364 json
Address bar spoofing using an blob URI on Firefox for Android
published 2025-08-19 14 mo ago modified 2026-10-05 34 d ago also EUVD-2025-25231
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 141.
Patch / fix
- mozilla firefox 141
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
Classification
- Weakness
-
- CWE-451 User Interface (UI) Misrepresentation of Critical Information
References
-
mozilla.org
/security/advisories/mfsa2025-56/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1909609
issue-tracking, permissions-required
-
bugzilla.mozilla.org
/show_bug.cgi?id=1969937
issue-tracking, permissions-required
Sources
- CVE List CVE-2025-8364
- NVD CVE-2025-8364
Fencer Vulns 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.