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CVE-2026-21132: CWE-20: Improper Input Validation in Samsung Mobile Samsung Internet

0
Medium
VulnerabilityCVE-2026-21132cvecve-2026-21132cwe-20
Published: 10/12/2026 (10/12/2026, 04:57:50 UTC)
Source: CVE Database V5
Vendor/Project: Samsung Mobile
Product: Samsung Internet

Description

CVE-2026-21132 is an improper input validation vulnerability in Samsung Internet browser versions prior to 30.0.5.24. This flaw allows remote attackers to inject arbitrary scripts, but requires user interaction to trigger the vulnerability. The issue is classified under CWE-20. The vulnerability has a medium severity with a CVSS 4.0 base score of 6. No specific affected versions or patch information is provided in the input data.

CVSS v4.0

Score 6.0medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
Passive
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Affected software

Samsung Mobile

Samsung Internet

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/12/2026, 05:18:53 UTC

Technical Analysis

This vulnerability involves improper input validation in Samsung Internet browser before version 30.0.5.24. Remote attackers can exploit this flaw by injecting arbitrary scripts, which requires user interaction to be triggered. The vulnerability is identified as CWE-20 and has a CVSS 4.0 score of 6, indicating medium severity. No known exploits in the wild or vendor patch information are provided in the data.

Potential Impact

Successful exploitation could allow remote attackers to inject arbitrary scripts into the Samsung Internet browser, potentially leading to script execution in the context of the user. However, exploitation requires user interaction, which limits the risk. There is no indication of privilege escalation, denial of service, or other impacts.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should update Samsung Internet to version 30.0.5.24 or later once the vendor confirms the fix. Until then, exercise caution with untrusted links or content requiring user interaction.

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Technical Details

Data Version
5.2
Assigner Short Name
SamsungMobile
Date Reserved
2025-12-11T01:33:35.833Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6acc6a3e2cdf04f656613735

Added to database: 10/12/2026, 05:03:58 UTC

Last enriched: 10/12/2026, 05:18:53 UTC

Last updated: 10/12/2026, 18:57:56 UTC

Views: 19

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