CVE-2025-13019

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.

Affected Platforms

Weakness Type

CWE-942

References

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