CVE-2025-8364: firefox — Fix

Description

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-451 CWE-451

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 141.0
google	android	All

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2025-56/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1909609 https://bugzilla.mozilla.org/show_bug.cgi?id=1969937

Frequently Asked Questions

What is CVE-2025-8364? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-8364? +

CVE-2025-8364 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-8364? +

CVE-2025-8364 affects products from google, mozilla, specifically: android, firefox. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8364? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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