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[Japanese]
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JVNDB-2026-000120
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Miraikan Assist App vulnerable to cross-site scripting
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Miraikan Assist App provided by Japan Science and Technology Agency (JST) contains the following vulnerability.- Cross-site scripting (CWE-79) - CVE-2026-73537
RyotaK of GMO Flatt Security Inc. reported this vulnerability to the developer and coordinated. After the coordination was completed, RyotaK reported the case to JPCERT/CC to notify users of the solution through JVN.
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CVSS V3 Severity:
Base Metrics 4.7 (Medium) [IPA Score]
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: None
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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): None
- Availability Impact (VA): None
Subsequent System Impact
- Confidentiality Impact (SC): None
- Integrity Impact (SI): Low
- Availability Impact (SA): None
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Japan Science and Technology Agency
- Miraikan Assist App Android version (versions prior to 1.1.7)
- Miraikan Assist App iOS version (versions prior to 1.0.7)
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An arbitrary script may be executed in the browser component (WebView) running on the affected product, resulting in the displayed content being altered.
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[Update the Application]
Update the application to the latest version according to the information provided by the developer.
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Japan Science and Technology Agency
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- Cross-site Scripting(CWE-79) [IPA Evaluation]
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- CVE-2026-73537
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- JVN : JVN#09266484
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- [2026/08/21]
Web page was published
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