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VULNERABILITIES

CVE-2026-81267 Details

Description

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2052758 [email protected]Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-81/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-451User Interface (UI) Misrepresentation of Critical InformationCISA-ADP

Affected Products

ProductVersions
mozilla firefox mobile
< 155.0

CPE

  • cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-81267
NVD Published Date:
Aug 31, 2026
NVD Last Modified:
Sep 3, 2026
Source:
[email protected]
CVE-2026-81267 Details - Not Deferred