What is the severity of CVE-2025-23108?

CVE-2025-23108 is a high severity vulnerability due to its ability to spoof URLs via malicious scripts.

How do I fix CVE-2025-23108?

To fix CVE-2025-23108, update your Firefox iOS client to the latest version provided by Mozilla.

Who is affected by CVE-2025-23108?

CVE-2025-23108 affects users of Mozilla Firefox version 134 running on Apple iOS.

What happens if I exploit CVE-2025-23108?

Exploiting CVE-2025-23108 can allow a malicious script to spoof the URL of a new tab, potentially leading to phishing attacks.

When was CVE-2025-23108 discovered?

CVE-2025-23108 was reported in 2025 as a vulnerability affecting the Firefox iOS client.

Vulnerability/
CVE-2025-23108

medium

4.3

CWE

EPSS

0.043%

10/1/2025

11/1/2025

13/1/2025

CVE-2025-23108: XSS

First published: Fri Jan 10 2025(Updated: )

Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab.

Credit: security@mozilla.org

Affected Software	Affected Version	How to fix
All of
Mozilla Firefox	=134
Apple iOS

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

MFSA2025-06

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

What is the severity of CVE-2025-23108?
CVE-2025-23108 is a high severity vulnerability due to its ability to spoof URLs via malicious scripts.
How do I fix CVE-2025-23108?
To fix CVE-2025-23108, update your Firefox iOS client to the latest version provided by Mozilla.
Who is affected by CVE-2025-23108?
CVE-2025-23108 affects users of Mozilla Firefox version 134 running on Apple iOS.
What happens if I exploit CVE-2025-23108?
Exploiting CVE-2025-23108 can allow a malicious script to spoof the URL of a new tab, potentially leading to phishing attacks.
When was CVE-2025-23108 discovered?
CVE-2025-23108 was reported in 2025 as a vulnerability affecting the Firefox iOS client.

agent/type
collector/mozilla-advisory
source/Mozilla
agent/software-canonical-lookup
agent/softwarecombine
agent/references
agent/description
agent/first-publish-date
agent/author
collector/nvd-api
source/NVD
agent/severity
agent/last-modified-date
agent/weakness
agent/event
agent/tags
collector/mitre-cve
source/MITRE
collector/epss-latest
source/FIRST
agent/epss
agent/source
vendor/mozilla
canonical/mozilla firefox
version/mozilla firefox/134
vendor/apple
canonical/apple ios

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Frequently Asked Questions

What is the severity of CVE-2025-23108?
CVE-2025-23108 is a high severity vulnerability due to its ability to spoof URLs via malicious scripts.
How do I fix CVE-2025-23108?
To fix CVE-2025-23108, update your Firefox iOS client to the latest version provided by Mozilla.
Who is affected by CVE-2025-23108?
CVE-2025-23108 affects users of Mozilla Firefox version 134 running on Apple iOS.
What happens if I exploit CVE-2025-23108?
Exploiting CVE-2025-23108 can allow a malicious script to spoof the URL of a new tab, potentially leading to phishing attacks.
When was CVE-2025-23108 discovered?
CVE-2025-23108 was reported in 2025 as a vulnerability affecting the Firefox iOS client.