CVE-2025-13019
HIGH severity · CVSS 8.1 · CWE-942
8.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2025-87/Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-88/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1988412
- https://www.mozilla.org/security/advisories/mfsa2025-90/
- https://www.mozilla.org/security/advisories/mfsa2025-91/