CVE-2025-0244

Firefox vulnerability

CVSS

5.3

EPSS

6.6%

EPSS pct

93th

Exploited

No known

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 was fixed in Firefox 134.

Affected vendor

Mozilla

Affected product

Firefox

CVSS vector

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

Weakness type (CWE)

CWE-601 — Open Redirect

Published

2025-01-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality.

Its EPSS score of 6.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2025-0244

Confirm whether Mozilla Firefox is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-0244.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-0244

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-0244 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2025-0244?

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