CVE-2025-23108: Vulnerability in Mozilla Firefox for iOS
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. This vulnerability was fixed in Firefox for iOS 134.
AI Analysis
Technical Summary
This vulnerability in Firefox for iOS allows an attacker to craft JavaScript links that, when opened in a new tab through a long-press action, can spoof the URL shown in the address bar of the new tab. This could mislead users about the actual website they are visiting. The issue was fixed in Firefox for iOS 134 as per Mozilla's security advisory MFSA 2025-06. The CVSS v3.1 base score is 4.3 (medium severity), reflecting a network attack vector with low complexity and requiring user interaction, causing integrity impact but no confidentiality or availability impact.
Potential Impact
The vulnerability can lead to URL spoofing in the Firefox iOS client, potentially misleading users about the legitimacy of a website they are visiting. This could facilitate phishing or social engineering attacks by displaying a deceptive URL. However, it does not impact confidentiality or availability. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released Firefox for iOS version 134 which fixes this vulnerability. Users and administrators should update to Firefox for iOS 134 or later to remediate this issue. Since this is a client-side vulnerability, applying the official update is the recommended and effective mitigation. No additional vendor-recommended mitigations are specified.
CVE-2025-23108: Vulnerability in Mozilla Firefox for iOS
Description
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. This vulnerability was fixed in Firefox for iOS 134.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Firefox for iOS allows an attacker to craft JavaScript links that, when opened in a new tab through a long-press action, can spoof the URL shown in the address bar of the new tab. This could mislead users about the actual website they are visiting. The issue was fixed in Firefox for iOS 134 as per Mozilla's security advisory MFSA 2025-06. The CVSS v3.1 base score is 4.3 (medium severity), reflecting a network attack vector with low complexity and requiring user interaction, causing integrity impact but no confidentiality or availability impact.
Potential Impact
The vulnerability can lead to URL spoofing in the Firefox iOS client, potentially misleading users about the legitimacy of a website they are visiting. This could facilitate phishing or social engineering attacks by displaying a deceptive URL. However, it does not impact confidentiality or availability. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released Firefox for iOS version 134 which fixes this vulnerability. Users and administrators should update to Firefox for iOS 134 or later to remediate this issue. Since this is a client-side vulnerability, applying the official update is the recommended and effective mitigation. No additional vendor-recommended mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2025-01-10T21:00:17.659Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2025-06/","vendor":"Mozilla"}]
Threat ID: 69dd057782d89c981f017287
Added to database: 4/13/2026, 3:02:15 PM
Last enriched: 4/13/2026, 3:19:02 PM
Last updated: 4/14/2026, 5:15:31 AM
Views: 4
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