Read the docs
TI-2023-07917 Aliases CVE-2023-21516GHSA-q3ph-6xgh-hmgq

Improper input validation in Samsung Galaxy Store

Priority MEDIUM 48CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

XSS vulnerability from InstantPlay in Galaxy Store prior to version 4.5.49.8 allows attackers to execute javascript API to install APK from Galaxy Store.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00549 46th percentileScored 2026-11-07
Fix Fixed Galaxy Store (Samsung Mobile): 4.5.49.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungGalaxy Storebefore 4.5.49.84.5.49.8Patch availableCNA
  • Galaxy Store VendorSamsung Affected before 4.5.49.8 Fixed in 4.5.49.8 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:*before 4.5.49.8VulnerableSamsung
  • cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:* Versions before 4.5.49.8 Vulnerable ·Samsung

Remediation

  • Fix · CNA Galaxy Store (Samsung Mobile) Fixed in 4.5.49.8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Samsung Mobile Galaxy Store 4.5.49.8

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2023-07916 Improper input validation in Samsung Galaxy StorePriority MEDIUM 45
    • TI-2023-07915 Improper input validation in Samsung Galaxy StorePriority MEDIUM 41
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-21516
  2. 2026-10-03 Alias added: GHSA-q3ph-6xgh-hmgq

References

Advisory 1

  • TI-2023-07916 Improper input validation in Samsung Galaxy Store CVSS 3.1HIGH 8.8
  • TI-2023-22730 Improper URL validation from MCSLaunch deeplink in Galaxy Store prior to version 4.5.64.4… CVSS 3.1CRITICAL 9.8
  • TI-2023-07835 Improper input validation in Samsung Galaxy Store CVSS 3.1MEDIUM 6.2
  • TI-2023-07834 Improper authorization in Samsung Galaxy Store CVSS 3.1HIGH 7.8
  • TI-2023-07915 Improper input validation in Samsung Galaxy Store CVSS 3.1HIGH 8.8
  • TI-2023-22731 Improper URL validation from InstantPlay deeplink in Galaxy Store prior to version… CVSS 3.1HIGH 7.5
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences