NetSight
medium6.5

CVE-2025-4088

A security vulnerability in Thunderbird allowed malicious sites to use redirects to send credentialed requests to arbitrary endpoints on any site that had invo…

Impact

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.

Affected products

VendorProductAffected versions
MozillaFirefox
before 138.0
MozillaThunderbird
before 138.0

Weakness classification

References