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 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.
Published:Apr 29, 2025
Last Modified:Apr 20, 2026
EPS:Apr 29, 2025
EPSS Score:0.00116
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Mozilla
Product
Firefox
Mozilla
Firefox
Vendor
Mozilla
Product
Thunderbird
Mozilla
Thunderbird
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
