[Japanese]

JVNDB-2026-000117

"Handmade Marketplace App - Creema" vulnerable to open redirect

Overview

"Handmade Marketplace App - Creema" provided by CREEMA LTD. contains the following vulnerability.
  • Open redirect (CWE-601) - CVE-2026-72528
Koki Sato of BroadBand Security, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS v4 Severity
Base Metrics: 5.1 (Medium) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): None
  • User Interaction (UI): Active
  • Vulnerable System Impact
  • Confidentiality Impact (VC): None
  • Integrity Impact (VI): Low
  • Availability Impact (VA): None
  • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
Affected Products


CREEMA LTD.
  • "Handmade Marketplace App - Creema" for Android versions prior to 2.436.0
  • "Creema - Handmade Marketplace App" for iOS versions prior to 2.432.0

Impact

When accessing a specially crafted URL on a web browser, Creema app is invoked and a website set up by the attacker may be displayed within the app's screen. As a result, the user may become a victim of a phishing attack.
Solution

[Update the Application]
Update the application to the latest version according to the information provided by the developer.
Vendor Information

CREEMA LTD.
CWE (What is CWE?)

  1. URL Redirection to Untrusted Site ('Open Redirect')(CWE-601) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2026-72528
References

  1. JVN : JVN#48627289
Revision History

  • [2026/10/15]
      Web page was published