CVE-2023-21516
CVE-2023-21516 is a high-severity vulnerability in Samsung Galaxy Store with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Samsung Galaxy Store
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-21516?
- 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.
- How severe is CVE-2023-21516?
- CVE-2023-21516 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-21516 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21516?
- CVE-2023-21516 affects Samsung Galaxy Store. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-21516?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-21516 published?
- CVE-2023-21516 was published on 2023-05-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:galaxy_store:*:*:*:*:*:*:*:*
More vulnerabilities in Samsung Galaxy Store
- CVE-2026-20976 — High (CVSS 7.8): Improper input validation in Galaxy Store prior to version 4.6.02 allows local attacker to execute arbitrary script.
- CVE-2023-21433 — High (CVSS 7.8): Improper access control vulnerability in Galaxy Store prior to version 4.5.49.8 allows local attackers to install…
- CVE-2022-33710 — High (CVSS 7.8): Improper input validation vulnerability in BillingPackageInsraller in Galaxy Store prior to version 4.5.41.8 allows…
- CVE-2022-33709 — High (CVSS 7.8): Improper input validation vulnerability in ApexPackageInstaller in Galaxy Store prior to version 4.5.41.8 allows local…
- CVE-2022-33708 — High (CVSS 7.8): Improper input validation vulnerability in AppsPackageInstaller in Galaxy Store prior to version 4.5.41.8 allows local…
- CVE-2023-42581 — High (CVSS 7.5): Improper URL validation from InstantPlay deeplink in Galaxy Store prior to version 4.5.64.4 allows attackers to execute…
All CVEs affecting Samsung Galaxy Store →
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →