Improper input validation in Samsung Galaxy Store
Priority MEDIUM 42CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.12885 96th 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
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
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
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2023-07834 Improper authorization in Samsung Galaxy StorePriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2023-21434
- 2026-10-03 Alias added: GHSA-m5xh-w97f-qrvv
References
More Samsung Galaxy Store vulnerabilities
- TI-2023-07917 Improper input validation in Samsung Galaxy Store CVSS 3.1CRITICAL 9.6
- 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-2023-07834 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
Sources
- CVE-2023-21434 · CVE Program
- CVE-2023-21434 · NVD
- FIRST EPSS
- GHSA-m5xh-w97f-qrvv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences