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Vulnerability details

CVE-2025-13019

Same-origin policy bypass in the DOM: Workers component

CVSS 3.1
8.1High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.1High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

VendorProductVersionsSource
No product information recorded.

References and advisories

5
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Details

Published
2025-11-11
Last updated
2026-04-13
State
Published
Assigner (CNA)
mozilla

Exploit prediction (EPSS)

0.27%
Probability of exploitation in 30 days
20%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-942
    Permissive Cross-domain Policy with Untrusted Domains