CVE-2025-13019 Details
Description
Same-origin policy bypass in the DOM: Workers component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.
A same-origin policy bypass vulnerability has been identified in the DOM: Workers component of Mozilla Firefox. This issue affects Firefox versions prior to 145 and Firefox ESR versions prior to 140.5. The vulnerability allows for unauthorized cross-origin interactions by bypassing the same-origin policy, which could lead to potential security risks such as data leakage or manipulation.
Users can upgrade to Firefox 145 or Firefox ESR 140.5 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Nov 12, 2025References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-942 | Permissive Cross-domain Policy with Untrusted Domains | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 140.5.0 < 145.0 |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Apr 13, 2026 | CVE Modified | [email protected] |
| Nov 19, 2025 | CVE Modified | [email protected] |
| Nov 17, 2025 | Initial Analysis | [email protected] |
| Nov 12, 2025 | CVE Modified | CISA-ADP |
| Nov 11, 2025 | New CVE Received | [email protected] |