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CVE-2026-73537

Quick assessment

Affected
Japan Science and Technology Agency (JST) Miraikan Assist App Android version
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Miraikan Assist App 中存在跨站脚本漏洞。如果利用此漏洞，可能在受影响产品上运行的浏览器组件（WebView）中执行任意脚本，从而导致显示内容被篡改。

CVSS 5.1 · Medium EPSS 0.19% · P8

Affected Version Matrix 2

VendorProduct Version RangeStatus
Japan Science and Technology Agency (JST) Miraikan Assist App Android version < 1.1.7 affected
Japan Science and Technology Agency (JST) Miraikan Assist App iOS version < 1.0.7 affected
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I. Basic Information for CVE-2026-73537

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting vulnerability exists in Miraikan Assist App. If this vulnerability is exploited, an arbitrary script may be executed in the browser component (WebView) running on the affected product, resulting in the displayed content being altered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Japan Science and Technology Agency (JST) Miraikan Assist App Android version 0 ~ 1.1.7 -
Japan Science and Technology Agency (JST) Miraikan Assist App iOS version 0 ~ 1.0.7 -

II. Public POCs for CVE-2026-73537

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-73537

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Vendor Advisories for CVE-2026-73537 (1)

Vendor Pages for CVE-2026-73537 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-73537

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