VULNERABILITY INTELLIGENCE

CVE-2025-4088

CVSS score6.5 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-04-29
Last modified2026-09-30
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

Weakness classification

  • CWE-352: Cross-Site Request Forgery (CSRF)

Primary references