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CVE-2026-4316— Reflected Cross-Site Scripting in software IsMyGym by Zuinq Studio

Quick assessment

Affected
Zuinq Studio IsMyGym
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.

由 Zuinq Studio 开发的健身房管理软件 IsMyGym 存在反射型跨站脚本（XSS）漏洞。该漏洞影响预订接口，其中 参数在未经适当过滤的情况下被直接反射到 HTTP 响应中。成功利用此漏洞可使攻击者注入任意 JavaScript 代码，并在受害者的浏览器环境中执行。

CVSS 5.1 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4316

Vulnerability Information
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Vulnerability Title
Reflected Cross-Site Scripting in software IsMyGym by Zuinq Studio
Source: CVE Program / CVE List V5
Vulnerability Description
Reflected Cross-Site Scripting (XSS) in Gym Management Software IsMyGym by Zuinq Studio affecting the reservation endpoint where the 'ret' parameter is reflected in the HTTP response without any proper sanitization. Successfull explotation of this vulnerability could allow an attacker to inject arbitrary JavaScript code executed in the context of the victim’s browser.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/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
Zuinq Studio IsMyGym versions prior to v6.0.85 -

II. Public POCs for CVE-2026-4316

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-4316

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Other References for CVE-2026-4316 (1)

IV. Related Vulnerabilities

Same product: IsMyGym
Same vendor: Zuinq Studio
Same weakness: CWE-79