CVE-2026-14089

PopupBlocker Input Validation Flaw Allowing UI Spoofing

Published Jun 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Insufficient validation of untrusted input in PopupBlocker in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History
Type Values Removed Values Added
Title PopupBlocker Input Validation Flaw Allowing UI Spoofing
Type Values Removed Values Added
Title Insufficient Validation of Untrusted Input in PopupBlocker Enables UI Spoofing via Crafted HTML
Type Values Removed Values Added
Title Insufficient Validation of Untrusted Input in PopupBlocker Enables UI Spoofing via Crafted HTML
Type Values Removed Values Added
Title PopupBlocker Input Validation Flaw Allows UI Spoofing in Google Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Flaw Allows UI Spoofing in Google Chrome
Type Values Removed Values Added
Title Chrome PopupBlocker Validation Failure Enables UI Spoofing
Type Values Removed Values Added
Title Chrome PopupBlocker Validation Failure Enables UI Spoofing
Type Values Removed Values Added
Title PopupBlocker UI Spoofing Vulnerability in Chrome
Type Values Removed Values Added
Title PopupBlocker UI Spoofing Vulnerability in Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Enables UI Spoofing
Type Values Removed Values Added
Title PopupBlocker Input Validation Enables UI Spoofing
Type Values Removed Values Added
Title PopupBlocker Input Validation Allows UI Spoofing in Google Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Allows UI Spoofing in Google Chrome
Type Values Removed Values Added
Title Insufficient PopupBlocker Input Validation Allowing UI Spoofing
Type Values Removed Values Added
Title Insufficient PopupBlocker Input Validation Allowing UI Spoofing
Type Values Removed Values Added
Title PopupBlocker Input Validation Flaw Enabling UI Spoofing via Crafted HTML Pages
Type Values Removed Values Added
Title PopupBlocker Input Validation Flaw Enabling UI Spoofing via Crafted HTML Pages
Type Values Removed Values Added
Title PopupBlocker Input Validation Weakness Enables UI Spoofing in Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Weakness Enables UI Spoofing in Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Exploit Leading to UI Spoofing in Google Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Exploit Leading to UI Spoofing in Google Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Allows UI Spoofing in Google Chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Allows UI Spoofing in Google Chrome
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title PopupBlocker Input Validation Issue Allows UI Spoofing in Chrome
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title PopupBlocker Input Validation Issue Allows UI Spoofing in Chrome
Type Values Removed Values Added
Description Insufficient validation of untrusted input in PopupBlocker in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 6:44 PM
Reserved
Jun 29, 2026, 11:11 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 5:10 PM