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 a JavaScript link that, when opened in a new tab via long-press, can cause the address bar to display a spoofed URL. This could mislead users about the actual website they are visiting. The issue was reported and fixed in Firefox for iOS 134. The CVSS 3.1 base score is 4.3 (medium), reflecting the limited impact on confidentiality and availability but potential for information spoofing. The vendor advisory from Mozilla confirms the fix and provides no indication of ongoing exploitation.
Potential Impact
The vulnerability enables a malicious script to spoof the URL shown in the address bar of a new tab opened via long-press on JavaScript links in Firefox for iOS. This could potentially mislead users into trusting a spoofed website address, increasing the risk of phishing or social engineering attacks. There is no impact on confidentiality or availability reported. No known exploits have been observed in the wild.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox for iOS version 134. Users and administrators should update to Firefox for iOS 134 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
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.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Firefox for iOS allows an attacker to craft a JavaScript link that, when opened in a new tab via long-press, can cause the address bar to display a spoofed URL. This could mislead users about the actual website they are visiting. The issue was reported and fixed in Firefox for iOS 134. The CVSS 3.1 base score is 4.3 (medium), reflecting the limited impact on confidentiality and availability but potential for information spoofing. The vendor advisory from Mozilla confirms the fix and provides no indication of ongoing exploitation.
Potential Impact
The vulnerability enables a malicious script to spoof the URL shown in the address bar of a new tab opened via long-press on JavaScript links in Firefox for iOS. This could potentially mislead users into trusting a spoofed website address, increasing the risk of phishing or social engineering attacks. There is no impact on confidentiality or availability reported. No known exploits have been observed in the wild.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox for iOS version 134. Users and administrators should update to Firefox for iOS 134 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
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: 5/20/2026, 5:56:25 PM
Last updated: 5/29/2026, 9:36:36 PM
Views: 33
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