Vulnerability DatabaseCVE-2025-13019
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CVE-2025-13019
November 11, 2025
Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145 and Firefox ESR < 140.5.
Related Resources (5)
https://www.mozilla.org/security/advisories/mfsa2025-88/
https://www.mozilla.org/security/advisories/mfsa2025-91/
https://www.mozilla.org/security/advisories/mfsa2025-87/
https://www.mozilla.org/security/advisories/mfsa2025-90/
https://bugzilla.mozilla.org/show_bug.cgi?id=1988412
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Permissive Cross-domain Security Policy with Untrusted Domains
CWE-942
EPSS
Base Score:
0.04