CVE-2026-4316: Zuinq Studio IsMyGym · Cross-site Scripting
Affects Zuinq Studio IsMyGymSource CVE Database V5
Not known to be exploited · CVSS 5.1 Medium.
Data as of 26 Oct 2026, 10:05 UTC
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Zuinq StudioIsMyGym | Affected
| Fixed in– |
AI-suggested
Until a fix is available, users should exercise caution when interacting with the reservation endpoint and consider implementing input validation or output encoding on the 'ret' parameter if possible.
Description
CVE-2026-4316 is a reflected Cross-Site Scripting (XSS) vulnerability in the IsMyGym software by Zuinq Studio. It affects the reservation endpoint where the 'ret' parameter is reflected in the HTTP response without proper sanitization. Successful exploitation allows an attacker to inject and execute arbitrary JavaScript in the victim's browser context. This vulnerability has a CVSS 4.0 base score of 5.1, indicating medium severity. No affected versions or patch information is provided.