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Klaviyo bug bounty programs

klaviyo.com Updated

Klaviyo runs one public program: a Bugcrowd bug bounty paying up to $3,500.

Top reward
$3,500
Bugcrowd
Programs
1
1 pays cash
Targets in scope
92
4 types
Last change
None yet
Tracked since Nov 2026

Where to report

The one public program Klaviyo runs.

  • Klaviyo Managed Bug Bounty

    Bugcrowd · Bug bounty

    Open

    Top reward

    $3,500
    Critical
    $3,500
    High
    $1,750
    Medium
    $600
    Low
    $200
    Safe harbor
    Full
    First response
    3 days promised

Amounts are the top reward per severity in the currency each program pays. First response is the platform's measured average when it publishes one, else what the policy promises.

What is in scope

92 targets.

  • https://*.clovesoftware-dev.com

    Wildcards

  • https://*.clovesoftware.com

    Wildcards

  • https://*.klaviyo-dev.com/*

    Wildcards

  • https://*.klaviyomsv.com/*

    Wildcards

  • https://*.myklpages.com/*

    Wildcards

  • https://*.services.klaviyo.com

    Wildcards

  • https://klaviyo.com/*

    Wildcards

  • https://a.klaviyo.com/api/*

    APIs

  • 12.109.179.242/32

    IP ranges

  • 12.109.179.243/32

    IP ranges

  • 12.109.179.244/32

    IP ranges

  • 12.162.226.194/32

    IP ranges

  • 12.162.226.195/32

    IP ranges

  • 12.162.226.196/32

    IP ranges

  • 12.162.226.197/32

    IP ranges

  • 12.162.226.198/32

    IP ranges

  • 13.236.111.63/32

    IP ranges

  • 14.200.250.155/32

    IP ranges

  • 14.200.250.156/32

    IP ranges

  • 144.121.5.144/29

    IP ranges

  • 144.121.57.208/29

    IP ranges

  • 18.133.56.249/32

    IP ranges

  • 18.144.159.16/32

    IP ranges

  • 18.168.137.251/32

    IP ranges

  • 18.168.212.94/32

    IP ranges

No target matches. Try part of a host name, such as the company name.

Recent changes

Reward and scope changes across every Klaviyo program, newest first.

No changes recorded yet. New targets and reward moves show up here and in the RSS feed.

Recent CVEs

Published vulnerabilities in Klaviyo products, from the NVD.

Search NVD
  • CVE-2023-0874 Medium

    The Klaviyo WordPress plugin before 3.0.10 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

  • CVE-2023-25456 Medium

    Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Klaviyo, Inc. Klaviyo plugin <= 3.0.7 versions.

About this page

This page gathers every public program listed under klaviyo.com: platform programs, self-hosted policies and security.txt contacts. Each program's own policy decides what is in scope and what it pays; check it before you test.

Something wrong or missing? Report a correction.