CVE-2025-13019

Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

• https://bugzilla.mozilla.org/show_bug.cgi?id=1988412
  Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2025-87/
  Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2025-88/
  Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2025-90/
• https://www.mozilla.org/security/advisories/mfsa2025-91/