CVE-2025-0244

Address bar spoofing using an invalid protocol scheme on Firefox for Android

MEDIUM

5.3

CVSS Score

Published: January 7, 2025 at 04:07 PM UTC

Updated: October 5, 2026 at 03:10 PM UTC

1 product affected across 1 vendorFirefox

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Severity

MEDIUM5.3

Exploit prediction

EPSS 7%

SSVC

No known exploit

Description

When redirecting to an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 134.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox · Mozilla

95%

v < 134.0

Vendor states this is fixed in 134 (unaffected)

Affected range stops below 134.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.mozilla.org/security/advisories/mfsa2025-01/

References (2)

Issue Tracking

Source: [email protected]

https://bugzilla.mozilla.org/show_bug.cgi?id=1929584

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2025-01/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-601

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