GSA Bounty: Subdomain Takeover due to unclaimed domain pointing to AWS

Note: I know this is on an out of scope domain, however felt it should still be raised as it was the only subdomain of data.gov to be vulnerable. Issue Details The consultant identified that subdomain https://18f.domains.api.data.gov/ is pointing to dn9rrjaiux2m0.cloudfront.net via a DNS CNAME...

Semrush: Following links are vulnerable to clickjacking

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to verify and then potentially issue a bounty, so be sure to take your time filling out the report! Summary: The below list...

Inflection: XST(Cross Site Tracing)

Researcher reported that OPTIONS and TRACE HTTP methods are enabled. HTTP configuration best practices are not currently in scope for our HackerOne program, so we closed the report. Researcher requested that we disclose it...

WordPress: Clickjacking wordcamp.org

Hello Security, Clickjacking User Interface redress attack, UI redress attack, UI redressing is a malicious technique of tricking a Web user into clicking on something different from what the user perceives they are clicking on, thus potentially revealing confidential information or taking contro...

Yelp: Yelp.com is vulnerable to SWEET32 attack

Researchers have found new attack against 3DES-CBC cipher in TLS,that they can decrypt customer data using a method called SWEET32 Birthday Attack. This Vulnerability has got CVE-2016-2183 and has cvss score 5.0 This vulnerability can be found manually by simply using nmap script nmap -Pn -p...

Cloudflare: Apache mod_negotiation filename bruteforcing

Vulnerability description modnegotiation is an Apache module responsible for selecting the document that best matches the clients capabilities, from one of several available documents. If the client provides an invalid Accept header, the server will respond with a 406 Not Acceptable error...

Rocket.Chat: Unauthenticated file deletion via deleteFileMessage DDP method allows permanent destruction of any uploaded file

Vulnerability description not provided...

Node.js: Path traversal through path stored in Uint8Array

A vulnerability was discovered in Node.js that allowed path traversal through Uint8Array objects. This vulnerability affected users using the experimental permission model in Node.js 20...

Internet Bug Bounty: CVE-2023-28320 - siglongjmp race condition

A race condition vulnerability CVE-2023-28320 existed in libcurl's synchronous resolver, which could allow a multi-threaded application to crash or misbehave due to the use of a global buffer that was not mutex protected. The vulnerability could result in a denial of service...

Internet Bug Bounty: CVE-2022-28738: Double free in Regexp compilation

Due to a bug in the Regexp compilation process, creating a Regexp object with a crafted source string could cause the same memory to be freed twice. This is known as a “double free” vulnerability. Note that, in general, it is considered unsafe to create and use a Regexp object generated from...

GitHub Security Lab: ihsinme: CPP Add query for CWE-691 Insufficient Control Flow Management After Refactoring The Code

This bug was reported directly to GitHub Security Lab...

Nextcloud: bypassing dashboard without account + Information disclosure trough websockets

Sumarry : I found a information disclosure for bypassing parameter url attacker can redirect to dashboard without login user/pass page and websocket can be exposed in response/dashboard. URL Effected https://support.nextcloud.com/passwordreset Steps To Reproduce: Opened directory at...

Shopify: [Information Disclosure] Amazon S3 Bucket of Shopify Ping (iOS) have public access of other users image

Hello Shopify, when testing Shopify Ping share image function, I discovered an Amazon S3 bucket which has public access which allows an attacker to view all the image of other merchant & users. Steps To Reproduce: 1. Install Shopify Ping on your phone then enable Shopify Chat for your store. 2. G...

HackerOne: Team object in GraphQL disclosed private_comment

Summary: Hi Team, Some privateI think part of GraphQL reveals to us Steps To Reproduce Without authorization 1. https://hackerone.com/graphql POST: "query":"query nodeid: \"gid://hackerone/SurveyRatingItem/█████\" ... on...

Shopify: Ability to publish a paid theme without purchasing it.

Hi, Description I kept looking for alternatives to my report 927567 and I found another way to publish a paid theme without having to purchase it. This time the trick is to send "ThemePublishLegacy" XHR request while the theme is being installed. Requirements 1. Google Chrome suggested because...

Curve: Sensitive Info Leak - An Attacker Can Retrieve All the Users Mobile Numbers at https://website-api.production.curve.app/api/waitlist/us

Hi, When am going through all the JS files in curve.com I found a link called "/usa" is used to create Curve USA Waitlists by entering your name, email address, mobile number and address details. F874173 Then there is a functionality called "Track my Position" by using which joined users can view...

Open-Xchange: null dereference in `sieve_address_do_validate` (or redundant null check)

Function sieveaddressdovalidate in file sieve-address.c does dereference errorr if address == NULL errorr = "null address"; return FALSE; and then later checks for it being NULL : if errorr != NULL errorr = strcctx.error; So either, there is a first null check missing Or the later ones are...

U.S. Dept Of Defense: SSN is exposed on slides, previous critical report was not fixed in an appropriate way

Summary: SSN is exposed on slides, previous critical report was not fixed in an appropriate way Description: 1. SSN is exposed on a screenshot. Slide 13th. SSN is covered by an olive/green rectangle which is moveable. The image itself was not updated. ██████wp-content/uploads/2018/12/████████ 2...

Visma Public: [IDOR]Ability to edit Description of api_key's of other users.

The reasearcher was able to change the description associated with API-keys for other users on the /api/orgID/apiKey endpoint by modifying the id of the API-key in the request...

Nord Security: No Rate Limit On Forgot Password Page Of NordVPN

Introduction A little bit about Rate Limit: A rate limiting algorithm is used to check if the user session or IP-address has to be limited based on the information in the session cache. In case a client made too many requests within a given timeframe, HTTP-Servers can respond with status code 429...

Grammarly: Previously created sessions continue being valid after MFA activation

Hi team, I found one issue related to your 2FA system on https://account.grammarly.com/security POC 1 access the same account on https://account.grammarly.com in two devices 2 on device 'A' go to https://account.grammarly.com/security complete all steps to activate the 2FA system Now the 2FA is...

PayPal: Stored XSS on https://paypal.com/signin via cache poisoning

Due to a configuration in frontend, caching servers, it was possible for a researcher to use request smuggling to convert a page request into a cached redirect. If the cached redirect were accessed by a legitimate user, an attacker's content would be rendered instead of the requested page. While...

h1-5411-CTF: h1-5411-CTF report: LFI / Deserialization / XXE vulnerability,

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to triage and respond quickly, so be sure to take your time filling out the report! Summary: h1-5411-ctf write-up The CTF...

Node.js third-party modules: Samlify is vulnerable to signature wrapping

I would like to report a signature wrapping weakness in samlify It allows an attacker to modify a SAML token received from the IdP before validating it with the service provider Module module name: samlify version: 2.3.7 npm page: https://www.npmjs.com/package/samlify Module Description Highly...

X (Formerly Twitter): [dev.twitter.com] XSS and Open Redirect Protection Bypass

Description: Hi after I finish reading the report https://hackerone.com/reports/260744.i start to test this subdomain.i fount an interesting url https://dev.twitter.com/web/sign-inhttps://dev.twitter.com/basics/adding-international-support-to-your-apps.this url is special,my intuition tells me th...

Nextcloud: IDOR - Disable sharing

Decription: ----- Users are shared files or folder. can disable this sharing. Detail: ------ + use request: DELETE /nextcloud/ocs/v2.php/apps/filessharing/api/v1/shares/share-id?format=json HTTP/1.1 Host: your-host User-Agent: Mozilla/5.0 Windows NT 10.0; WOW64; rv:47.0 Gecko/20100101 Firefox/47....

Internet Bug Bounty: putty pscp client-side post-auth stack buffer overwrite when processing remote file size

Not sure if this will qualify but it may impact a pretty broad audience given the fact that putty code is part of many other apps filezilla, ... and it is the defacto standalone ssh client for windows administrators besides openssh cygwin putty = 0.66; affects putty versions dating back 9 years...

Internet Bug Bounty: Integer overflow in ftp_genlist() resulting in heap overflow

https://bugs.php.net/bug.php?id=69545 Description: ------------ The ftpgenlist function of the ftp extension is prone to an integer overflow, which may result in remote code execution. ext/ftp/ftp.c:ftpgenlist... 1826 size = 0; 1827 lines = 0; 1828 lastch = 0; 1829 while rcvd = myrecvftp, data-fd...

Internet Bug Bounty: CVE-2023-40195: Apache Airflow Spark Provider Deserialization Vulnerability RCE

Apache Airflow Spark Provider before 4.1.3 was affected by a deserialization vulnerability that allowed remote code execution RCE. Attackers could exploit this vulnerability by configuring a malicious Spark server address through the Airflow UI, which would then manipulate the PySpark clients...

curl: CVE-2023-32001: fopen race condition

A race condition vulnerability existed in the fopen function of the curl library. This vulnerability allowed an attacker to exploit the race condition between the stat and fopen functions, potentially leading to unauthorized file overwrites or the theft of sensitive data such as cookies. The...

GitLab: New /add_contacts /remove_contacts quick commands susseptible to XSS from Customer Contact firstname/lastname fields

Summary In Gitlab 15.0.0 a new Customer Relations feature was added that allows us to use quick actions to find the contact we wish to select. However, I noticed that if I set the contact's first name or last name to alertdocument.domain we can get the XSS to trigger when we are attempting to use...

TikTok: IDOR the ability to view support tickets of any user on seller platform

Due to an Insecure Direct Object Reference IDOR vulnerability, an attacker could have potentially viewed support tickets on seller platform. We thank @lewaperbb for reporting this to our team...

Doppler VDP: Bypass Email Verification.

steps to reproduce:- 1- sign up into doppler here https://dashboard.doppler.com/register. 2- then it will go to this page https://dashboard.doppler.com/confirm and ask you to confirm your email. 3- go to source code and search for tagsconfirmemail . 4- you will find the email Verification token...

U.S. Dept Of Defense: Path traversal on https://███ allows arbitrary file read (CVE-2020-3452)

Summary: According to Cisco: A vulnerability in the web services interface of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and read sensitive files on a targete...

Nord Security: Getting SmartDNS for free from - join.nordvpn.com

The reporter identified an issue within our backend system which performs validation of the active services. There was a misconfiguration related to caching and time period calculation. This lead to SmartDNS service being active for a longer period of time than it should have been, compared with...

Radancy: [mijn.werkenbijdefensie.nl] Denial of service occurs due to lack of email length confirmation

Creating an account on https://mijn.werkenbijdefensie.nl/profielaanmaken/ could be done with a very long emailaddress. A max email address length validation check has been implemented as per RFC the maximum length allowed for an email address is 255 characters. However, we don't validate email...

Stripo Inc: Unrestricted File Upload on https://my.stripo.email and https://stripo.email

Hi Stripo Inc, I found 2 Unrestricted File Upload Vulnerabilities on your website. First Vulnerability: Step to Reproduce 1. Create an account in "https://my.stripo.email" 2. Simply Download a php shell from internet and open with text editor. ex: r57 shell 3. Then save it as JPEG file. 4. Go bac...

Nord Security: Expired Available Domains in nordvpn.com website code

We at NordVPN want to stress that these domains were removed not because they were a threat, but because they simply were of no use. Also, new domains were added because this is a part of our operational tasks. These changes are made every few months. THANKS @nordvpn @emanu Well I have been Doing...

U.S. Dept Of Defense: [Partial] SSN & [PII] exposed through iPERMs Presentation Slide.

Hello @deptofdefense, when performing reconnaissance, I came across a presentation slide that displayed live data since the data is blocked out & is formatted with XXX-XX with the last 4 digits. The exposed data contains the following: UPC, Division/Brigade, Rank, Soldier Name, Last 4 digits of...

GitLab: SSRF vulnerability in gitlab.com webhook

1、 Login to your GitLab account and create a new project, then go to--https://gitlab.com/username/project/settings/integrations 2、 You can add url to ssrf.following are the steps to reproduce: If you enter http://127.0.0.1:80/haha.txt as url,we will get --Hook executed successfully but returned...

Pornhub: Wordpress Content injection

The researcher discovered a vulnerability in an outdated version of Wordpress allowing them to edit and make new posts...

X (Formerly Twitter): SSRF in https://cards-dev.twitter.com/validator

Hello, After my previous report 2 years ago https://hackerone.com/reports/30860 you fixed the vulnerability, but now it looks like this fix was reverted and the same problem exists again. Test scenario: Open https://cards-dev.twitter.com/validator 1. Closed port on localhost http://0.0.0.0:123 -...

Khan Academy: XSS on using the legacy "Graphie To Png" API

The legacy "Graphie To Png" API was vulnerable to exploitation. An attacker could upload malicious graphies that included harmful SVG and JSON data. The SVG contained an onload attribute that executed arbitrary JavaScript. The JSON data modified the content of labels, causing the graphie renderer...

IBM: Exposed Logs and Bearer Tokens on Test Endpoint

Exposed Logs and Bearer Tokens on Test Endpoint were reported to IBM, analyzed, and have been remediated...

inDrive: XSS on terra-6.indriverapp.com

A Cross-Site Scripting XSS vulnerability was discovered on the terra-6.indriverapp.com domain that allowed javascript code execution in users' browsers...

Internet Bug Bounty: CVE-2022-27779: cookie for trailing dot TLD

Published Advisory: https://curl.se/docs/CVE-2022-27779.html Original Report: https://hackerone.com/reports/1553301 Impact This can allow arbitrary sites to set cookies that then would get sent to a different and unrelated site or domain. ie. conduct session fixation attacks...

Rockset: Leaking Rockset API key on Github

Summary: We all know that Github is great, but it runs the risk of some credentials being revealed by mistake. In this case I found a Rockset API key, This API key is not in the current code, but it is visible in an old commit. Steps To Reproduce: You can find the leak in this link :...

Logitech: Sensitive information disclosure to shared access user via streamlabs platform api

Summary: Hi there, Hope you are doing well and stay safe. Streamlab allows us to invite other users to manage our dashboard and cloudbot functions via following setting which named "Shared Access". https://streamlabs.com/dashboard/settings/shared-access If we invite other users with Moderator rol...

ImpressCMS: Download full backup and Cross site scripting

A backup zip file was still left on the server, which was removed. Moreover, an old unused content editor was still left and could be used by a malicious user. The unused editor has been removed as well...

Engel & Völkers Technology GmbH: Debug information at the /sapi endpoint

Summary: Sending a GET request to www.engelvoelkers.com/sapi and the server responds with a 500 Internal Server Error which yields a stack trace. Steps To Reproduce: - Enter www.engelvoelkers.com/sapi into your web browser and you can see the stacktrace. https://bugpoc.com/pocbp-VPZDeo2Z I will...