Topcoder: SVG file upload leads to XML injection

Summary: Upload Avatar option allows the user to upload image/ . Thus enabling the upload of many file formats including SVG files MIME type: image/svg+xml SVG files are XML based graphics files in 2D images. Thus, this opens up an attack vector to upload specially crafted malicious SVG files. Th...

CVE-2020-10977

GitLab EE/CE 8.5 to 12.9 is vulnerable to a an path traversal when moving an issue between projects. Recent assessments: wvu-r7 at June 09, 2020 10:49pm UTC reported: @zeroSteiner pointed us to this exploit chain today: . It uses CVE-2020-10535 to satisfy the authentication requirement. Note that...

Prototype Pollution

Overview All versions of utils-extend are vulnerable to prototype pollution. The extend function does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects. Recommendation No fix is currently...

PlaySMS index.php Unauthenticated Template Injection Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'PlaySMS index.php Unauthenticated Template Injection Code Execution', 'Description' = %q This module exploits a preauth Server-Side Template...

HackerOne: Reflected XSS on www.hackerone.com and resources.hackerone.com

Good day : I hope your doing as well as can be during these difficult times. I have found xss at 2 endpoints: https://www.hackerone.com/resources/ and https://resources.hackerone.com The payloads that work are here:...

Open redirect

An Open Redirect vulnerability was discovered in Revive Adserver version 5.0.5 and reported by HackerOne user hoangn144. A remote attacker could trick logged-in users to open a specifically crafted link and have them redirected to any destination.The CSRF protection of the “/www/admin/-modify.php...

CVE-2020-8143

An Open Redirect vulnerability was discovered in Revive Adserver version 5.0.5 and reported by HackerOne user hoangn144. A remote attacker could trick logged-in users to open a specifically crafted link and have them redirected to any destination.The CSRF protection of the “/www/admin/-modify.php...

CVE-2020-8142

CVE-2020-8142 affects Revive Adserver

HackerOne: Login CSRF vulnerability on hackerone.com

Summary Hi. We found a CSRF token bypass on the Hacker One login page. So, this report describes Hacker One login CSRF Token Bypass. Exploitation process Hacker One uses the authenticitytoken token during login to prevent CSRF. However, the authenticitytoken token is not properly verified, so an...

HackerOne: program_analytics_benchmarks query shows information not visible in public

Summary: programanalyticsbenchmarks is displaying information i don't see yet in public profile of a program. Description: I tried querying programanalyticsbenchmarks for the program security and ██████ and it showing information i cannot find in public profile especially in ███████ Steps To...

HackerOne: Attacker may be able to bounce enough emails which suspend HackerOne's SES service and cause a DoS of HackerOne's email service

This was a DoS based on triggering a lot of bounced emails via SES service which could put our email sending up for review with AWS. The vulnerability was due to unrestricted invitations on sandbox programs which allowed an attacker to generate an infinite number of bounced emails. We had applied...

HackerOne: Read-only team members can read all properties of webhooks

Description: A team member can view all properties of webhooks despite not needing them. Steps To Reproduce 1. Have an admin of a program setup webhooks 2. As a team member read-onlylog in 3. Run the following graphql query: query teamhandle: "security" name webhooks nodes id secret url 4. See th...

HackerOne: A team member of the program with Report rights can ban the Admin

Summary: Our team has conducted a number of studies tests in the field of permission Report. We noticed that a team member of the program with such permission can ban a member with Admin rights Steps To Reproduce: 1 Admin submit new report in program 2 A team member with Report rights can use the...

HackerOne H1P BBP1: Testing

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HackerOne: Account creation with invalid email addresses / email is accepting % and %0d%0a line termination chars

An account creation vulnerability was found where invalid email addresses containing '%' and '%0d%0a' line termination characters were accepted, allowing multiple unverified accounts to be created...

HackerOne: Changes to data in a CVE request after draft via GraphQL query

Summary: Our team has conducted a number of studies tests in the field of CVE Request. We found several statuses of such requests Awaiting Publication, Pending HackerOne approval, Cancelled . At the time of creating the request , we can change the data. However, we noticed that we can 't change...

HackerOne: Rounding errors on rewarding a bounty leads to bypassing the 20% H1 commission fee

Summary: The team discovered a rounding error issue when rewarding hackers with a bounty. Through a series of micro-payments, a malicious program manager is able to pay a full amount to the hacker while evading the 20% H1 commission fee. Description: H1 has a system for awarding and paying hacker...

HackerOne: Mismatch between frontend and backend validation via `ban_researcher` leads to H1 support and hackers email spam

Summary: We found a mismatch between the frontend and backend validation when using the ban researcher feature, available for program customer. Description: When a program customer issues a ban, an automatic email will be send both to the banned user and H1 support. The problem is that fronted wi...

HackerOne: Customer private program can disclose email any users through invited via username

Summary: Hey team,This bug could have been used by my calculations a long time ago Steps To Reproduce: 1Go to https://hackerone.com/hackeroneh1pbbp3/launch 2Take invite via username 3Input username , send invite 3.1When an invite is created, we get a token 4Now Go use GraphQL query...

HackerOne: GraphQL node interface for ActiveResource models lacks encoding for resource identifier, enabling parameter injection in Payments backend

HackerOne exposes a small number of ActiveResource objects through its GraphQL node interface. ActiveResource objects use HTTP as transport layer in order to fetch data. Four of these models, TaxForm, Payout, Payment, and PayoutPreference are fetched from an internal Payments backend system with ...