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Marktplaats

Bug bounty on Self-hosted marktplaats.nl

Accepting reports
Go to program Website
Top reward
Not published
Top severity paid
Not published
Assets in scope
2
Public CVEs
0
Last change
No changes yet

At a glance

What to know before you start testing.

Pays cash
Amounts are not published; ask before you invest time.
Report by email
[email protected]
Partial safe harbor
Some legal protection; read the terms.
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.

The policy page has no reward table. Here is what it says, in its own words.

Pays cash
Yes we offer a monetary bounty for reporting certain qualifying security vulnerabilities to us.
Response
Within 5 days You can expect us to respond to your message within 5 business days.
Safe harbor
Partial In the event we believe you are not acting in good faith, we reserve all rights to bring a lawsuit against you or ask law enforcement to investigate you.
Hall of fame
Yes In the public information concerning the reported problem, we will give your name as the discoverer of the problem (unless you desire otherwise).

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

Scope

2 assets you may test.

Domains 2

  • marktplaats hosted website
  • marktplaats.nl

Rules

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

While testing

  • Share the site or product vulnerability with us without making it public.
  • Report in a manner that safeguards the confidentiality of the report only via this email address: [email protected]
  • Allow us a reasonable amount of time (depending on the type of vulnerability or issue you report) to respond to the issue before disclosing it to others.
  • Provide full details of the site or product vulnerability, including Proof-of-Concept URL, the details of the system where the tests were conducted and detailed reproduction steps.
  • Do not engage in security research that involves: Potential or actual damage to users, systems, data or applications.
  • Exploit a vulnerability further than necessary to establish its existence.
  • Viewing other users’ data
  • the corruption of data
  • Conducting any activities that may disrupt our services.
  • The use of port scans on our network blocks or executing DDoS attacks.

Not accepted

  • Denial of Service Vulnerabilities
  • Spam, Phishing or Social Engineering techniques
  • Brute force password cracking
  • Use of outdated software / library versions
  • "Advisory" or "Informational" reports that do not include any Marktplaats specific testing or context

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 11 Nov 2026. Last checked 6 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.