CVE-2025-8364CWE-451

CVE-2025-8364

Medium · published August 20, 2025

CVSS v3.1
4.3
EPSS
0%
Percentile
13.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00232 · 13.3th percentile
Weakness
CWE-451 · User Interface (UI) Misrepresentation of Critical Information
Published
2025-08-20T01:15Z
Affected products (1)
ProductVersionsFixed in
mozilla/firefox< 141.0141.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=1909609 · [email protected]https://bugzilla.mozilla.org/show_bug.cgi?id=1969937 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-56/ · [email protected]
EPSS history
Timeline
  • 19 AUG 20:52Z
    Address bar spoofing using an blob URI on Firefox for Android
    cvelistv5