#VU108053 Cross-site request forgery in Mozilla Firefox and Firefox for Android - CVE-2025-4088

Vulnerability identifier: #VU108053

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-4088

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox for Android
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A malicious website can use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 130.0 - 137.0.2

Firefox for Android: 130.0 - 137.0.2

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External links
https://www.mozilla.org/en-US/security/advisories/mfsa2025-28/
https://bugzilla.mozilla.org/show_bug.cgi?id=1953521

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.