CVE-2025-4088

MediumCVSS 6.5/10Last modified Sep 30, 2026

Description

A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invoked the Storage Access API. This enabled potential Cross-Site Request Forgery attacks across origins. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-352

Affected software

No affected versions have been published.

Timeline

Published
Apr 29, 2025
Last modified
Sep 30, 2026
NVD status
Modified

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CVE-2025-4088: Medium severity, CVSS 6.5 | Vulnix