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GymMaster

Vulnerability disclosure program on security.txt gymmaster.com

Accepting reports Full safe harbor security.txt
Go to program Website
Top reward
No cash rewards
Top severity paid
Not published
Assets in scope
7
Public CVEs
0
Last change
No changes yet

At a glance

What to know before you start testing.

No cash rewards
A disclosure program: you report for credit, not money.
Report by email
[email protected]
Full safe harbor
Good-faith research is authorised; no legal action.
Replies within 5 days
As the policy promises.
Publish after a fix
Coordinate the timing with the company.

Rewards

What the company's own policy page says it pays.

This program does not pay cash rewards.

Response
Within 5 days We'll acknowledge your report within 5 business days, keep you updated, and let you know when it's fixed.
Safe harbor
Full If you act in good faith and follow these rules, we won't take legal action against you, and we'll treat your research as authorised.

Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original

Scope

7 assets you may test, 2 excluded.

Domains 2

  • gymmasteronline.com
  • serenitybookings.com

Wildcard domains 2

  • *.gymmasteronline.com
  • *.serenitybookings.com

APIs 1

  • our APIs

Products and areas 2

  • GymMaster managed services
  • the GymMaster member & staff apps
Out of scope (2)
  • www.gymmaster.com
  • third-party services (eg billing providers)

Rules

What the policy asks of you, and the bug types it won't reward, quoted from GymMaster's policy. "We" in these lines means the program, not this site.

While testing

  • Only test against your own account.
  • Never access, modify or keep other people's data.
  • If you come across personal data, stop, report it, and delete any copies.
  • No denial of service, load testing, or high-volume automated scanning.
  • No social engineering or phishing of our staff, clients, or their members.
  • No physical testing, and never trigger door or access control hardware at a real facility.
  • Give us reasonable time to fix the issue before disclosing it publicly.

Not accepted

  • Missing security headers, or forged request headers (eg Host header injection).
  • SPF/DKIM/DMARC settings.
  • Clickjacking on non-sensitive pages.
  • Self-XSS.
  • Version disclosure.
  • Unverified automated scanner output.
  • Sales staff names shown on public booking pages.
  • Discount codes that unlock memberships not otherwise shown.
  • Checking the balance or validity of a voucher or discount code you already have.
  • Confirming if an email address has an account or which site it belongs to through login, signup, or password recovery forms.
  • Passwordless member login, where a code or link is emailed without a password.
  • Sentry DSNs and similar client-side keys that are public by design.
  • Brute force of rate-limited codes or tokens.

Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original

Changes

Tracked since 12 Nov 2026. Last checked 3 hours ago.

No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.

Public CVEs

Published vulnerabilities in this vendor's products, from the NVD.

Search NVD

No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.