What is GHSA-c9jm-46h6-xj8j?

GHSA-c9jm-46h6-xj8j is a security advisory published by GitHub Security Advisories with Medium severity. Reflected Cross-Site Scripting (XSS) in Gym Management Software IsMyGym by Zuinq Studio affecting...

Which CVE IDs does GHSA-c9jm-46h6-xj8j cover?

GHSA-c9jm-46h6-xj8j covers the following CVE IDs: CVE-2026-4316. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-c9jm-46h6-xj8jMedium

Reflected Cross-Site Scripting (XSS) in Gym Management Software IsMyGym by Zuinq Studio affecting...

Vendor

GitHub Security Advisories

Published

October 26, 2026

Last Modified

October 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-4316 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-4316
https://www.incibe.es/en/incibe-cert/notices/aviso/reflected-cross-site-scripting-software-ismygym-zuinq-studio
https://github.com/advisories/GHSA-c9jm-46h6-xj8j