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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program
Status
Severity
Weakness
Year
Bounty paid10
Access stated
Access needed
Technique:postMessage flaw
Clear filters25 of 15,219 reports
Disclosed bug bounty reports
ReportStatusProgramWeaknessSeverityDisclosedBountyVotes
Inject page in admin panel via Shopify.API.pushState [New Payload]Analysed#883867ValidShopifyCross-site ScriptingLow2020-12-27$50020
Kaspersky Protection extension for Google Chrome is vulnerable to abuse its featuresAnalysed#470519ValidKasperskyCommand and Code InjectionMedium2019-11-25–21
Admin bar: Incomplete message origin validation results in XSSAnalysed#387544ValidShopifyCross-site ScriptingMedium2018-11-07–23
Preview bar: Incomplete message origin validation results in XSSAnalysed#381192ValidShopifyCross-site ScriptingMedium2018-07-26–26
xss due to incorrect handling of postmessagesAnalysed#1758132ValidKhan AcademyCross-site ScriptingCritical2022-12-23–35
RPC Implementation allows unauthenticated remote callsAnalysed#876022ValidLark TechnologiesCross-site ScriptingHigh2021-02-10$1,25039
H1514 DOM XSS on checkout.shopify.com via postMessage handler on /:id/sandbox/google_mapsAnalysed#423218ValidShopifyCross-site ScriptingMedium2019-11-04$50046
Inject page in admin panel via Shopify.API.pushStateAnalysed#662083ValidShopifyCross-site ScriptingLow2019-09-09$50051
URL Advisor component in KIS products family is vulnerable to Universal XSSAnalysed#463915ValidKasperskyCross-site ScriptingHigh2019-08-28–65
Authorization Token on PlayStation Network Leaks via postMessage functionAnalysed#826394ValidPlayStationMisconfiguration and Insecure DesignHigh2020-11-21$1,00074
██████ DOM XSS via Shopify.API.remoteRedirectAnalysed#646505ValidShopifyCross-site ScriptingLow2019-09-15–76
1 Click to 'Close Account and Refund' via POSTMESSAGEAnalysed#1897443ValidTikTokAccess ControlMedium2024-01-03–81
DOM XSS on multiple Automattic domains through postMessagesAnalysed#2371019ValidAutomatticCross-site ScriptingHigh2024-02-26–92
Reflected XSS on transact.playstation.com using postMessage from the opening windowAnalysed#900619ValidPlayStationCross-site ScriptingHigh2021-03-30$1,00098
DOM Based XSS in www.hackerone.com via PostMessage (bypass of #398054)Analysed#499030ValidHackerOneCross-site ScriptingLow2019-05-04–106
Stealing xoxs-tokens using weak postMessage / call-popup redirect to current team domainAnalysed#207170ValidSlackMisconfiguration and Insecure Design–2017-02-28–120
XSS on any Shopify shop via abuse of the HTML5 structured clone algorithm in postMessage listener on "/:id/digital_wallets/dialog"Analysed#231053ValidShopifyCross-site Scripting–2017-05-30$3,000121
Content spoofing and potential Cross-Site Scripting vulnerability on www.hackerone.comAnalysed#374919ValidHackerOneCross-site ScriptingMedium2018-08-04–129
Stealing contact form data on www.hackerone.com using Marketo Forms XSS with postMessage frame-jumping and jQuery-JSONPAnalysed#207042ValidHackerOneMisconfiguration and Insecure Design–2017-08-29–153
Client-Side Race Condition using Marketo, allows sending user to data-protocol in Safari when form without onSuccess is submitted on www.hackerone.comAnalysed#381356ValidHackerOneInput Validation and LogicLow2019-04-05–154
DOM Based XSS via postMessage at https://inventory.upserve.com/login/Analysed#603764ValidUpserveCross-site ScriptingHigh2019-06-25$2,500171
Access token stealing.Analysed#821896ValidPlayStationAccess ControlHigh2020-11-21$1,200177
DOM Based XSS in www.hackerone.com via PostMessageAnalysed#398054ValidHackerOneCross-site ScriptingLow2019-02-21$500208
Insufficient validation on Digits bridgeAnalysed#168116ValidX / xAIAuthentication–2020-08-20–263
Bypassing Digits origin validation which leads to account takeoverAnalysed#129873ValidX / xAIAuthentication–2020-06-24–619

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report, where there is one, which can be wrong. Data as of 2026-11-15.