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Google Chrome CVE-2025-14373

MEDIUM
Improper Restriction of Rendered UI Layers or Frames (CWE-1021)
2025-12-12 chrome-cve-admin@google.com
4.3
CVSS 3.1 · Vendor: google
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Lure victim to crafted HTML page
  2. Exploit
    Abuse Toolbar UI rendering flaw
  3. Execution
    Spoof trusted domain in address bar
  4. Impact
    Harvest credentials via deception

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V3 - Web Frontend Security Clickjacking prevention, X-Frame-Options
Exploitation Conditions

Requires the victim to be running Google Chrome for Android at a version prior to 143.0.7499.110 AND to actively navigate to an attacker-controlled crafted HTML page (UI:R - user interaction is mandatory). The flaw is in the mobile browser Toolbar's UI rendering, so it does not affect desktop Chrome per the vendor description. No authentication or special configuration is needed, but exploitation is limited to deception (domain spoofing to enable phishing) - it does not grant code execution, data theft, or session compromise on its own, and depends entirely on the user being fooled by the spoofed address bar.

Impact

This is a genuinely low-priority issue despite being a browser vulnerability in an ubiquitous product. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N, base 4.3) correctly caps impact at low: the only consequence is domain/address-bar spoofing (C:L), with no integrity or availability impact and no code execution. Chromium itself rated the security severity as Medium. EPSS is low at 0.27% (18th percentile), consistent with a UI-spoofing bug that is awkward to weaponize at scale. There is no CISA KEV listing and no public exploit identified at time of analysis, so this is no public exploit identified at time of analysis rather than active exploitation. The one signal requiring caution: the description explicitly scopes this to Chrome on Android, but the CPE string (cpe:2.3:a:google:chrome:*) is the generic, platform-agnostic Chrome entry - the Android-only condition comes from the description, not the CPE, so defenders should treat desktop Chrome as unaffected per the vendor text. No conflicting CVSS-vs-description access-vector issue exists here (both agree on remote + user interaction).

Exploit ScenarioDerived

A remote attacker hosts a crafted HTML page and lures an Android Chrome user (version before 143.0.7499.110) to open it, typically via a phishing link. The page abuses the Toolbar's UI rendering so the address bar displays a trusted domain while attacker-controlled content is shown, tricking the victim into trusting a spoofed site. No public exploit code is available, and success depends on the victim interacting with the malicious page.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 30, 2026

Domain spoofing in the toolbar of Google Chrome for Android before 143.0.7499.110 lets a remote, unauthenticated attacker deceive users about the true origin of a page by having them open a crafted HTML page. Exploitation requires the victim to actively navigate to the attacker's page (UI:R) and depends entirely on the user believing the spoofed address bar, so impact is limited to phishing facilitation rather than code execution, data theft, or session compromise. There is no public exploit identified at time of analysis, no CISA KEV listing, and EPSS is low at 0.27% (18th percentile); per Google's own rating this is a Medium-severity Chromium issue, and the vendor fix is available in version 143.0.7499.110.

RemediationAI

Vendor-released patch: 143.0.7499.110. Upgrade Google Chrome for Android to 143.0.7499.110 or later through the Google Play Store, or confirm the installed build under Settings > About Chrome and force an update if the device has not yet received it; enterprises that manage Android fleets should verify the version across managed devices via their MDM inventory. See the Stable Channel advisory at https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_10.html. If immediate updating is not possible, compensating controls are limited because the defect is in browser UI rendering rather than a configurable feature: prompt users to verify destinations through trusted bookmarks or typed URLs instead of following links, and pair this with phishing-resistant awareness controls and, where deployed, DNS filtering or mobile threat-defense URL reputation blocking (both are partial mitigations only - they reduce exposure to attacker-hosted pages but do not correct the spoofed toolbar and can be bypassed by new or compromised domains). Consider disabling or restricting Chrome on unmanaged high-risk Android devices until patched, accepting the loss of a preferred browser. Given the low EPSS, no known exploitation, and the deception-only impact, remediation can be scheduled through normal patch cycles rather than treated as an emergency.

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Technical ContextAI · show details

The flaw is classified as CWE-1021 (Improper Restriction of Rendered UI Layers or Frames), the classic UI-redress/spoofing root cause in which browser chrome - here the Android toolbar/address bar - fails to faithfully reflect the actual document origin. Because the vulnerability lives in the mobile browser's UI rendering path, it is specific to Chrome on Android; the vendor description does not extend it to desktop Chrome. An attacker only needs to serve a crafted HTML page whose rendering causes the toolbar to display a misleading domain. Google has not published a public technical write-up beyond the Chromium issue tracker reference (issues.chromium.org/issues/461532432), so the precise rendering primitive is not publicly detailed. The affected product is captured by the broad CPE cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*, which is why the vendor advisory and Android version cutoff (143.0.7499.110) must be used to scope affected installations precisely. Combined with the tags (XSS, Chrome, Google), this is a client-side deception class of bug rather than a memory-safety or sandbox-escape issue.

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Severity by source

Vendor (google) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
vuln.today AI 4.3 MEDIUM

Remote crafted page with mandatory user interaction (AV:N/UI:R/PR:N); spoofing enables limited confidentiality loss via deception (C:L), no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE HIGH

Primary rating from Vendor (google).

CVSS VectorVendor: google

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionCVE.org

Inappropriate implementation in Toolbar in Google Chrome on Android prior to 143.0.7499.110 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Medium)

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Ubiquitous
Google Chrome is among the most widely deployed browsers worldwide
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Affected Products (CPE)CVE.org

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
CVE-2015-3105 CRITICAL POC
10.0 Jun 10

Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows and OS X and before 11.2.202.466

CVE-2015-3864 CRITICAL POC
10.0 Oct 01

Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in A

CVE-2013-4710 CRITICAL POC
9.3 Mar 03

Android 3.0 through 4.1.x on Disney Mobile, eAccess, KDDI, NTT DOCOMO, SoftBank, and other devices does not properly imp

CVE-2015-1538 CRITICAL POC
10.0 Oct 01

Integer overflow in the SampleTable::setSampleToChunkParams function in SampleTable.cpp in libstagefright in Android bef

CVE-2024-21633 HIGH POC
7.8 Jan 03

Apktool versions 2.9.1 and prior contain a path traversal vulnerability when processing Android APK files. Malicious APK

CVE-2017-13156 HIGH POC
7.8 Dec 06

An elevation of privilege vulnerability in the Android system (art). Rated high severity (CVSS 7.8), this vulnerability

CVE-2016-2107 MEDIUM POC
5.9 May 05

The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a

CVE-2015-3106 CRITICAL POC
10.0 Jun 10

Use-after-free vulnerability in Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows

CVE-2015-3107 CRITICAL POC
10.0 Jun 10

Use-after-free vulnerability in Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows

CVE-2013-4787 CRITICAL POC
9.3 Jul 09

Android 1.6 Donut through 4.2 Jelly Bean does not properly check cryptographic signatures for applications, which allows

CVE-2014-7911 HIGH
7.2 Dec 15

luni/src/main/java/java/io/ObjectInputStream.java in the java.io.ObjectInputStream implementation in Android before 5.0.

CVE-2016-0801 CRITICAL POC
9.8 Feb 07

The Broadcom Wi-Fi driver in the kernel in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49G, and 6.x before 2016-02-01

Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Package Hub 15 SP6 Fixed
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 15.6 Fixed
openSUSE Leap 16.0 Fixed
openSUSE Tumbleweed Fixed

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