VULNERABILITY INTELLIGENCE

CVE-2022-29909

CVSS score8.8 HIGH
EPSS probability0.89%
CISA KEVNot currently listed
Published2022-12-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Weakness classification

  • nvd@nist.gov: CWE-276
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-276

Primary references