Mail.ru: Delete images of users with clickjacking in https://pw.mail.ru

Researcher found site-wide Clickjacking on https://pw.mail.ru which potentially could be used to trick user to delete avatar or change his/her profile data...

Brave Software: Link obfuscation bug

Summary: Link preview in the left bottom of Brave Browser will show the link where the user will be redirected after clicking it, but after clicking the link, the affected user will be redirected to other website. Products affected: Latest Version of Brave browser Steps To Reproduce: 1. Open...

Nextcloud: Content Spoofing /Text Injection in https://docs.nextcloud.com

Hello Team, I have found a Content Spoofing / Text Injection on this domain https://docs.nextcloud.com Go to https://docs.nextcloud.com/!!!ATENTION!%20This%20server%20is%20on%20Maintenance%20please%20go%20to%20WWW.EVIL.COM%20%20%20%20%20%20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20%...

Internet Bug Bounty: Uninitialized read in gdImageCreateFromXbm

This bug is present in gdImageCreateFromXbm method of ext/gd/libgd/gdxbm.c file. This method contains below mentioned lines. c ... unsigned int b; ... sscanfh, "%x", &b; for bit = 1; bit = maxbit; bit = bit 1 gdImageSetPixelim, x++, y, b & bit ? 1 : 0; ... So when sscanf method is not able to rea...

Shopify: DOM XSS via Shopify.API.Modal.initialize

Similar 422043 & 576532 Payload Based on 576532: html function attack const ctx = window.openlocation.origin+'/admin/themes', 'blank' const json = message: "Shopify.API.Modal.initialize", data: src: "" let interval; interval = setIntervalfunction if window.attackSuccess clearIntervalinterval else...

Unikrn: Full Path Disclosure

HI security team! we can see path on your resource. https://crm.unikrn.com/app/bundles/CampaignBundle/EventListener/LeadSubscriber.php You must create a ban on viewing the script from the outside using .htaccess Impact Full Path Disclosure https://www.owasp.org/index.php/FullPathDisclosure...

Passit: password rest link not expired after change the password

Hi, this is my first report and bug .. i found password rest link not expired after change the password by resiver my e-mail Proof of Concept: 1Go to https://app.passit.io/account/reset-password and ask for password reset link. 2go to Email inbox. 3clicke to link from inbox example // Recovery li...

X (Formerly Twitter): IDOR and statistics leakage in Orders

Description: Twitter on its service "MoPub" statistics dedicated to the results of "Order", after the test shows that the endpoint "https://app.mopub.com/web-client/api/orders/stats/query" is infected with a "IDOR " bug Which led to the leak of private statistics "Orders" by another users Steps T...

ZEIT: Gitlab Oauth Misconfiguration Lead To Account Takeover

Summary: Hello I found that you did not specify which link to redirect with Token Gitlab Allowing the attacker to exploit this vulnerability to force the user to redirect his Gitlab Token To the attacker's site , And Take Over The Account of user Steps To Reproduce: 1. Access To...

Monero: CryptoNote: remote node DoS

Summary: Remote node DoS. See patch below. Releases Affected: All Monero versions, including the recent v0.14.0.2. Possibly all CryptoNote implementations that aren't Zano. Steps To Reproduce: Since this is currently a theoretical attack, non-code PoC detailed in the patch below. Supporting...

Mail.ru: Возможность зайти на любой аккаунт https://pandao.ru/

Logical bug in SMS verification code allowed access to pandao.ru account bond to arbitrary phone number. On the moment of reporting, pandao.ru runs preliminate bug bounty for business logic bugs with potential for fraud. При входе по номеру телефона не было проверки, принадлежит ли отправленая SM...

Shopify: Bypass GraphQL rate limit by abusing negative cost queries

Hi security team, While looking into the graphql app I noticed an interesting implementation where each app has a bucket of query cost they are allowed to used in a given time with a certain refresh rate associated with it. The details can be found at...

Weblate: No Rate Limit On Add new word

Hello I found in that there is no limit in the place of adding a new word which allows the attacker to add an infinite number of words which may cause a problem in the site and the server Steps To Reproduce : 1. Go To https://hosted.weblate.org/dictionaries/andors-trail/en/add And Fill in fields...

Internet Bug Bounty: Heap Buffer Overflow (READ: 4) in phar_parse_pharfile

Phar files with HALTCOMPILER; in unexpected places can lead to a buffer overrun. This is something I found while fuzzing with AFL using an ASAN instrumented PHP. The issue can be observed by disabling the ZEND allocator and using ASAN or valgrind/etc? with a crafted phar as input. I have prepared...

Mail.ru: astrumnival.com subdomain

Hostname in astrumnival.com domain was unintentionally delegated to external service. astrumnival.com domain is not currently in use...

Mail.ru: SSRF на api.icq.net

SSRF in api.icq.net due to invalid handling of non-zero Content-Length value in GET requests...

PayPal: XSS [flow] - on www.paypal.com/paypalme/my/landing (requires user interaction)

Steps to reproduce On Chrome and Firefox: 1. Go to...

New Relic: WordPress username enumeration (/author)

@rootbakar identified a previously-reported issue where authors could be viewed from an endpoint within our WordPress blog. As authors are intended to be public, this was closed as not having any security impact to the blog...

Dropbox: Stored XSS in dropboxforum.com

This report described a vulnerability where an attacker could put a specially crafted payload into the reply section of threads on dropboxforum.com to bypass the HTML filter on the site. This enabled a stored XSS attack against anyone viewing the message. This was an issue in Lithium forum...

Grammarly: Permissive CORS policy trusting arbitrary extensions origin

@foobar7 identified that misconfigurations in CORS and CSRF handling allowed malicious browser extensions, which have permission to interact with grammarly.com domain, to impersonate the user. The vulnerability was resolved with improved CSRF/CORS handling...

Brave Software: Unsafe handling of protocol handlers

Summary: Brave browser macOS handles protocol handlers in unsafe way and differently from other browsers. Key differences between protocol handlers handling in Brave and other browsers: Open external app vs Open "Terminal" Brave only asks about opening external app. Other browsers e.g. Chrome ask...

Internet Bug Bounty: [CVE-2018-6913] heap-buffer-overflow in S_pack_rec

pack may cause a heap buffer write overflow with a large item count. Reported to the Perl security mailing list on 5 Aug 2017. Confirmed as a security flaw by TonyC on 30 Jan 2018 CVE-2018-6913 assigned to this flaw on 11 Feb 2018 Public security advisory released on 14 April 2018...

Ubiquiti Inc.: UniFi Video Server web interface Configuration Restore path traversal leading to local system compromise

In UniFi Video Controller 3.9.3 and prior, an user with administrator privileges can restore the configuration using a specially crafted zip file. Due to the lack of validation for path transversal, the user can upload arbitrary files to arbitrary locations...

Semrush: clickjacking to Semrush auth login

Description: 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. this attack could be perform to semrush auth user because its direct...

LocalTapiola: Malicious file upload (secure.lahitapiola.fi)

Basic report information Summary: Malicious file upload Description: Hello! I noticed that when a user sends new message you have restricted pretty strictly the files which is ok to upload. Like .svg: F254353 How ever if a user impersonate another user just a one example and start the conversatio...

GitLab: GitLab CI runner can read and poison cache of all other projects

The GitLab CI runner allows users to cache files and directories in between runs. These files are stored in a ZIP file and uploaded to a shared cache instance. In my testing, the files were uploaded to runners-cache-4-internal.gitlab.com and runners-cache-3-internal.gitlab.com, even for dedicated...

Hacker Target: Sending Emails from DNSDumpster - Server-Side Request Forgery to Internal SMTP Access

| Summary: | | -- | HackerTarget is a service that provides access to online vulnerability scanners and tools used by many security professionals and “makes securing your systems easier”. They also are the creators of DNSDumpster which is a popular service used for recon. | Description: | | --|...

U.S. Dept Of Defense: Remote Code Execution (RCE) in a DoD website

Summary: One of the DoD applications uses a java library which is vulnerable to expression language injection. Using only an URL I was able to inject java code. I made a simple PoC that requests a name resolution to a DNS server. Description: The application at https://███ uses Primefaces version...

WakaTime: Sensitive Cookie Without 'HttpOnly' Flag

hello wakatime security team i found security vulnerability:Sensitive Cookie Without 'HttpOnly' Flag when i was testing your website then i notice that there is some csrftoken cookie appare in responce but the cookie have not httponly flag.you must should set httponly flag for some following...

Stellar.org: Session Cookie without HttpOnly and secure flag set

vulnerable URL: www.stellar.org The PHPSESSID cookie does not have the HTTPOnly flag set. When a cookie is set with the HTTPOnly flag, it instructs the browser that the cookie can only accessed by the server and not by client-side scripts. This is an important security protection for session...

Mixmax: Subdomain takeover (sales.mixmax.com)

Unused DNS record was reported, we promptly removed...

Cuvva: No rate limiting at POST /2/2017-05-22/send_identifier_token

SUMMARY ---------- Hello, while testing your api I have noticed that the request at POST /2/2017-05-22/sendidentifiertoken does not have any rate limiting made about 60-70 requests and this actually sens an SMS when the type is mobilephone. I agree, this is not a very big issue, but all endpoints...

Internet Bug Bounty: Malformed SHA512 ticket DoS (CVE-2016-6302)

If a server uses SHA512 for TLS session ticket HMAC it is vulnerable to a DoS attack where a malformed ticket will result in an OOB read which will ultimately crash. The use of SHA512 in TLS session tickets is comparatively rare as it requires a custom server callback and ticket lookup mechanism...

HackerOne: Lack of input sanitization in Marketo form leads to execution of HTML in lead emails

Hi, There is SSRF vulnerability due to img tag injection in "Contact HackerOne Sales" form. Since vulnerability triggers after 18-20 minutes so I am not sure which site it affects. It might affect hackerone or marketo. So I thought it would be better to report it first on hackerone. POC 1. Naviga...

Automattic: Authentication Bypass - Chaining two vulnerabilities leads to account takeover at en.instagram-brand.com

Product / URL https://en.instagram-brand.com/wp-json/brc/v1/login/ Description and Impact An attacker can perform account takeover by leveraging following two vulnerabilities: Auth Bypass = Username Enumeration + Login Brute Force A. Username Enumeration: ------------------------------- For the...

Automattic: Captcha bypass for the most important function - At en.instagram-brand.com

Product / URL https://en.instagram-brand.com/wp-json/brc/v1/approval-requests Description and Impact The Instagram Brand Site has a functionality for business users to request for using Instagram Assets. The URL for creating a new request is: https://en.instagram-brand.com/requests/new There is a...

Mail.ru: [tanks.mail.ru] Open Redirect

tanks.mail.ru had an open redirect in the form of https://tanks.mail.ru/index.php.example.com Reporter also noted this redirect can be used for double redirection from https://auth.mail.ru/cgi-bin/logout page, this is known behavior. Neither tank.mail.ru nor open redirects without additional impa...

Internet Bug Bounty: libtiff 4.0.6 heap bufer overflow / out of bounds read (CVE-2016-9273)

heap buffer overflow affecting libtiff 4.0.6 and possibly earlier. This library is baked into web browsers used by millions and also devices like the PlayStation Portable and the iPhone. http://bugzilla.maptools.org/showbug.cgi?id=2587 Reported to vendor on 7 November 2016: ==18669==ERROR:...

Paragon Initiative Enterprises: BAD Code !

Hi sir, My name is Ahmed Kohly and I'm the biggest hacker on EGYPT, I'm also who hacked ISIS pages with my friend Ahmed Samara we are so dangerous. so don't trust me Please . Anyway, I've found that your code here https://github.com/paragonie/airship/blob/master/tools/audithelper.php , is startin...

Imgur: Unauthenticated Docker registry

A docker registry was open and unauthenticated, giving access to outdated Imgur source code and secret keys...

Internet Bug Bounty: CVE-2016-5157 OpenJPEG opj_dwt_interleave_v Out-of-Bounds Write Vulnerability

OpenJPEG opjdwtinterleavev Out-of-Bounds Write Vulnerability 1. About OpenJPEG OpenJPEG is an open-source JPEG 2000 codec written in C language. It's widely used in lots of Linux OSes such as Ubuntu, RedHat, Debian, Fedora, and so on. The official repository of the OpenJPEG project is available a...

Uber: Reading Emails in Uber Subdomains

Possibility to read emails from various Uber subdomains. None of the domains exposed were actively being used for Uber email communication to employees or users. Possibility of reading emails sent to certain Uber domains. Link to blog:...

Nextcloud: Arbitrary File Upload in Logo & Log in image Theming setting.

Hi team First I think this vulnerability doesn't fall at your bug bounty program but this is a bad design that should fix right now cause if an attacker get admin access he still can upload a malicious file in client server side. I saw that Logo & Log in image allow to upload other files type...

Uber: Server version disclosure

Hi uber, maybe this is a low risk but i want to report that the nginx and openresty server version are being disclosed. For openresty: Accessing this url: https://chef.uberinternal.com/ will give you an error "502 Bad Gateway" but you can see on the page that the server version was disclose...

GitLab: SSRF when importing a project from a git repo by URL

Fixed in 8.17.4, 8.16.8, and 8.15.8 SSRF when importing a project from a Repo by URL GitLab instances that have enabled project imports using "Repo by URL" were vulnerable to Server-Side Request Forgery attacks. By specifying a project import URL of localhost an attacker could target services tha...

Automattic: WordPress SOME bug in plupload.flash.swf leading to RCE

Intro == WordPress is vulnerable against a Same-Origin Method Execution SOME vulnerability that stems from an insecure URL sanitization problem performed in the file plupload.flash.swf. The code in the file attempts to remove flashVars ¹ in case they have been set GET parameters but fails to do s...

Uber: Information Disclosure on lite.uber.com

Hello, according to your policy https://hackerone.com/uber?viewpolicy=true, you are looking for Local File Disclosure. And lite.uber.com also in scope for your program. request: GET https://lite.uber.com/auth/login HTTP/1.1 User-Agent: Mozilla/5.0 Macintosh; Intel Mac OS X 10.11; rv:42.0...

Shopify: "Remember me" token generated when "Remember me" box unchecked

Hi, This is a weird behaviour which regenerates secureadminsessionid cookie Steps to Reproduce : 1. Navigate to https://www.shopify.com/login 2. Enter credentials 3. Enter two factor code from authenticator Check cookie, There should be cookie named userauthtoken. I believe this token is...

Pornhub: [crossdomain.xml] Dangerous Flash Cross-Domain Policy

The researcher identified a permissive Flash cross-domain policy allowing access from any domain on a Pornhub-related property...

ok.ru: Same-Origin Policy Bypass #2

Hi, This is really similar issue to my previous report 102234 - exploitation mechanism is really same but other swf file is vulnerable. All conditions are met: - st.mycdn.me domain which is in ok.ru crossdomain.xml - Security.allowDomain'' - possibility to execute own SWF code provided by URL...