CVE-2025-23108

MEDIUM

Published Jan 11, 2025 Modified Apr 13, 2026 CWE-79

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.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 134.0

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2025-06/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1933172

Frequently Asked Questions

What is CVE-2025-23108? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-23108? +

CVE-2025-23108 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-23108? +

CVE-2025-23108 affects products from mozilla, specifically: firefox. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-23108? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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