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Vulnerability record · CVE-2023-21434 · published 9 February 2023

CVE-2023-21434: Samsung galaxy store improper input validation vulnerability

Samsung · Galaxy Store

Improper input validation vulnerability in Galaxy Store prior to version 4.5.49.8 allows local attackers to execute JavaScript by launching a web page.

6.1 CVSS 3.1 Medium EPSS 13% · top 3.8% CWE-20 · Improper input validationCWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper input validation vulnerability in Galaxy Store prior to version 4.5.49.8 allows local attackers to execute JavaScript by launching a web page.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=01 Vendor Advisory
https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=01 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-42580Samsung galaxy store vulnerabilityImproper URL validation from MCSLaunch deeplink in Galaxy Store prior to version 4.5.64.4 allows attackers to execute JavaScript API to install APK f…EPSS 0.97%9.6CVE-2023-21516Samsung galaxy store improper input validation vulnerabilityXSS vulnerability from InstantPlay in Galaxy Store prior to version 4.5.49.8 allows attackers to execute javascript API to install APK from Galaxy St…EPSS 0.55%8.8CVE-2023-21514Samsung galaxy store improper input validation vulnerabilityImproper scheme validation from InstantPlay Deeplink in Galaxy Store prior to version 4.5.49.8 allows attackers to execute javascript API to install …EPSS 0.52%8.8CVE-2023-21515Samsung galaxy store improper input validation vulnerabilityInstantPlay which included vulnerable script which could execute javascript in Galaxy Store prior to version 4.5.49.8 allows attackers to execute jav…EPSS 0.52%7.8CVE-2023-21433Samsung galaxy store improper authorization vulnerabilityImproper access control vulnerability in Galaxy Store prior to version 4.5.49.8 allows local attackers to install applications from Galaxy Store.EPSS 3.7%7.8CVE-2022-33708Samsung galaxy store improper input validation vulnerabilityImproper input validation vulnerability in AppsPackageInstaller in Galaxy Store prior to version 4.5.41.8 allows local attackers to launch activities…EPSS 0.21%7.8CVE-2022-33709Samsung galaxy store improper input validation vulnerabilityImproper input validation vulnerability in ApexPackageInstaller in Galaxy Store prior to version 4.5.41.8 allows local attackers to launch activities…EPSS 0.21%7.8CVE-2022-33710Samsung galaxy store improper input validation vulnerabilityImproper input validation vulnerability in BillingPackageInsraller in Galaxy Store prior to version 4.5.41.8 allows local attackers to launch activit…EPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2023-21434), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.