CVE-2026-12304 PUBLISHED

Same-origin policy bypass in the Networking: Cookies component

Assigner: mozilla
Reserved: 15.06.2026 Published: 16.06.2026 Updated: 16.06.2026

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

Product Status

Vendor Mozilla
Product Firefox
Versions
  • unaffected from 140.12 to 140.* (incl.)
  • unaffected from 152 to * (incl.)

Credits

  • Yaqoub Aldurayhim

References