CVE-2026-73537: Cross-site scripting (XSS) in Japan Science and Technology Agency (JST) Miraikan Assist App Android version
Description
CVE-2026-73537 is a cross-site scripting (XSS) vulnerability in the Miraikan Assist App for Android developed by the Japan Science and Technology Agency (JST). Exploitation of this vulnerability allows execution of arbitrary scripts within the app's WebView component, potentially altering displayed content. The vulnerability affects versions prior to 1.1.7 and 1.0.7. It has a medium severity rating with a CVSS score of 4.7. No official patch or remediation details are provided in the available data.
CVSS v3.0
Score 4.7medium
Affected software
Japan Science and Technology Agency (JST)
Miraikan Assist App Android version
Japan Science and Technology Agency (JST)
Miraikan Assist App iOS version
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a cross-site scripting (XSS) flaw in the Miraikan Assist App Android version. An attacker could exploit this to execute arbitrary scripts in the app's embedded browser component (WebView), which may lead to altered content display. The affected versions are those before 1.1.7 and 1.0.7. The CVSS 3.0 base score is 4.7, indicating medium severity. No information about patches or vendor advisories is provided.
Potential Impact
If exploited, an attacker can execute arbitrary scripts in the WebView component of the affected app, potentially altering the content displayed to users. There is no indication of confidentiality or availability impact. The vulnerability requires user interaction (UI:R) and can be exploited remotely without privileges (AV:N, PR:N).
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-08-18T01:05:43.517Z
- Cvss Version
- 3.0
- State
- PUBLISHED
Threat ID: 6a88005bacd9273b49c724cd
Added to database: 08/21/2026, 07:38:03 UTC
Last enriched: 09/11/2026, 03:18:21 UTC
Last updated: 10/05/2026, 18:48:22 UTC
Views: 98
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