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Fencer Vulns
medium 6.2

CVE-2023-21434 json

Improper input validation vulnerability in Galaxy Store prior to version 4.5.49.8 allows local attackers to execute JavaScript by launching…

published 2023-02-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25602

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
12.9%
EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

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.

Patch / fix

  • Samsung Mobile Galaxy Store 4.5.49.8

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

12.88% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Samsung Mobile Galaxy Store

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.