Slack: SSRF in api.slack.com, using slash commands and bypassing the protections.

Bypassing the reports 61312 and 356765 Tutorial: Go to api.slack.com and create an application with your own slash command. F320014 Enter your own domain: in your own domain: index.php location: http://:::22/ F320019 And save. Go to your Slack and type /youslash Try with my server...

Mail.ru: Вывод значений переменных Nginx в теле страницы

При обращении к url вида: https://biz.mail.ru/$имяпеременнойnginx Значение этой переменной попадет в страницу ответа 404, во все места вида: e.mail.ru/login?lang=ruRU&Page=https%3A%2F%2Fbiz.mail.ru%2Fзначениепеременнойnginx Примеры запросов: 1 https://biz.mail.ru/test$realpathroot в ответе:...

Node.js third-party modules: Arbitrary File Write through archive extraction

I would like to report arbitrary file write vulnerability in adm-zip module It allows attackers to write arbitrary files when a malicious archive is extracted. More info here: https://snyk.io/research/zip-slip-vulnerability https://github.com/snyk/zip-slip-vulnerabilityaffected-libraries Module...

Zomato: XSS in "explore-keywords-dropdown" results.

It seems that people have exploited this vulnerability before on this website, however, it remains unpatched, so here I am reporting the vulnerability. A XSS vulnerability exists when a restaurant or dish is created with a malicious name. The title of the dish or restaurant is not properly filter...

Ubiquiti Inc.: 3x Reflected XSS vectors for services.cgi (XM.v6.1.6, build 32290)

There are certain end-points containing functionalities that are vulnerable to reflected cross site scripting XSS, allowing attackers to abuse the user' session information and/or account takeover of the admin user. Authenticated users can be persuaded to visit malicious web pages, which allows...

VK.com: Монипулирование на страницах пользоватлей значением "Подсказывать стикеры в полях ввода"

Отсутствовал hash в запросах при изменении настроек стикеров. Ошибочка в репорте включить на конце 1 Включить https://m.vk.com/attachments?ajax=1&act=stickershintsenabled&value=1 CSRF - ОТСУСТВИЕ HASH дает возможность совершать переключение в мобильной версии ВК , подсказок в полях ввода ! Тем...

RubyGems: Request Hijacking Vulnerability in RubyGems 2.6.13 and earlier

We received this report via security@ from [email protected], I'm filing here for tracking and visibility purposes... "I was looking at commit 8d91516fb7037ecfb27622f605dc40245e0f8d32, which was the fix for the DNS hijacking issue CVE-2017-0902. The function still handles the DNS response in ...

Zomato: Potential server misconfiguration leads to disclosure of vendor/ directory

Hi, Apologies for the weakness label, it was the closest I could find for what appears to be a server misconfiguration. Typically, in MVC frameworks like Slim which I see you are using here, Symfony, Laravel, etc., the front controller is the only thing exposed, leaving vendor/, logs/, and others...

Hiro: Weak crossdomain.xml

The e-mail list management service used by Blockstack operated by MailChimp has a lenient cross-domain flash policy -- this is not a vulnerability, however, the crossdomain.xml used by the mailing service is more lenient than used by normal web services...

Concrete CMS: 'cnvID' parameter vulnerable to Insecure Direct Object References

Installation Information === IIS 8, PHP 5.5, Concrete5 5.7.5.7 Default install Issue POC An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/viewajax with incremental 'cnvID' integers. 1. An example blog with permission...

Automattic: woocommerce - prevent_caching() bug / bypass

As guest visit the following links and look at the headers. Yup there are not caching headers in the response. https://woocommerce.com/.cart/https://woocommerce.com/.cart/ https://woocommerce.com/+cart/https://woocommerce.com/+cart/ https://woocommerce.com/-cart/https://woocommerce.com/-cart/...

Nextcloud: Stored XSS in Gallery application (NC-SA-2017-010)

Stored XSS in Gallery application NC-SA-2017-010 Risk level: Low CVSS v3 Base Score: 3 AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N CWE: Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' CWE-79 Description A JavaScript library used by Nextcloud for sanitizing untrusted...

Gratipay: Sub Domain Takeover

One of Gratipay's sub domains points to Heroku with no app created. Description Gratipay's sub domain http://www.gratipay.com.herokudns.com/ points to Heroku but is not in use. Steps To Reproduce Details - Upon realization of vulnerability, installed and created a Heroku dependencies and...

Shopify: XSS in $shop$.myshopify.com/admin/ via twine template injection in "Shopify.API.Modal.input" method when using a malicious app

Description The Shopify Embedded App SDK is used to facilitate limited interactions with parent page /admin/apps/$id from an embedded app within the shop admin interface. The SDK has multiple methods which allow an app to interact with the user which execute in the context of the admin domain and...

Ruby: Arbitrary heap exposure in JSON.generate

Running this snippet can expose arbitrary memory: ruby require 'json' state = JSON.state.new state.space = "\0" 1024 puts JSON.generatea: :b, state "a": psych/handlers/recorder.rb tensi0 reeze Gem::Specification.new do |s| to objects of the same type as the original delegate...

Internet Bug Bounty: CVE-2017-5482 The Q.933 parser in tcpdump before 4.9.0 has a buffer overflow in print-fr.c:q933_print().

Reported to the project maintainers in 2016. Regardless of CVE-2016-8575 q933print still could overread the buffer trying to parse a short packet. Fixed by https://github.com/the-tcpdump-group/tcpdump/commit/c39c1d99ac3b6d5d9519b39da6717180651650d3...

VK.com: Missing Server Side Rate Limiting can Lead to VK Account Take over

Insufficient flood control...

PortSwigger Web Security: Order-phishing via Payment ID URL

Hello. I discovered the endpoint, which allows the attacker conduct the fishing attack to other users and they can pay for attacker's order. Why this can happen? On the site, order id parameter sends to the https://portswigger.net/CCPayment.aspx as POST, but attacker can append it as GET and it...

Udemy: Completed Compromise & Source Code Disclosure via Exposed Jenkins Dashboard at https://jenkins101.udemy.com

Howdy, @udemy! Summary: ======= I am writing to inform you of a critical information disclosure bug via an exposed Jenkins dashboard located at https://jenkins101.udemy.com. Upon navigating to this address, I was asked to authenticate with my Github account. After authenticating, I was surprised ...

LocalTapiola: SQL Injection /webApp/oma_conf ctx parameter (viestinta.lahitapiola.fi)

Vulnerable script: /webApp/omaconf Vulnerable parameter: ctxvarsemail Database: PostgreSQL PoC http POST /webApp/omaconf HTTP/1.1 Host: viestinta.lahitapiola.fi Content-Type: application/x-www-form-urlencoded Content-Length: 1131...

VK.com: Новый 2FA Bypass

Частичный обход проверки сессии. Косяк в функции смены пароля...

Nextcloud: Bypass permissions

@secator reported some permission related issues in Nextcloud Server to us. On request of the reporter the issue has only been disclosed limitedly...

Boozt Fashion AB: Potential Subdomain Takeover Possible

Issue Description The researcher identified that the affected url points to sendgrid.net, via a DNS CNAME record. As a result of this an attacker could potentially initate a subdomain take over by registering the subdomain sendgrid.boozt.com on sendgrid and consiquently leverage this for further...

Khan Academy: Sensitive information/action is stored/done is done using a GET request

Description: The action to remove an email from account is done using a GET request and it has security token. The URL is : https://www.khanacademy.org/settings/unlinkaccount?email=134hackerone%40gmail.com&fkey= It is never a good practice to have sensitive information in URL. Following are the...

Legal Robot: Email spoofing possible via Legal Robot domain

Dear Team, There are few email spoofing tools available on for free and one of them is http://emkei.cz/ When i tried to send an email from [email protected] to my mail, it was successful and straight away delivered into my inbox but when i tried to send it from another mail id...

Uber: User Enumeration and Information Disclosure

Vulnerability Name: User Enumeration and Information Disclosure Description: It was possible to enumerate users for SquareSpace admin console in uber-movement. Please find below details of users enumerated: 1. [email protected] 2. [email protected] Information Disclosure in...

Mail.ru: AXFR на plexus.m.smailru.net работает

MacBook-Pro:subbrute isox$ dig @217.69.129.107 plexus.m.smailru.net axfr ; DiG 9.8.3-P1 @217.69.129.107 plexus.m.smailru.net axfr ; 1 server found ;; global options: +cmd plexus.m.smailru.net. 600 IN SOA ns1.mail.ru. hostmaster.mail.ru. 2300425875 900 900 1209600 300 plexus.m.smailru.net. 600 IN ...

Trello: Error Page Text Injection.

AS we can see in report an user or attacker is able to inject his text into error page and can trap to user to visit other site by adding following link /test/%2f../It%20has%20been%20changed%20by%20a%20new%20one%20https://www.malicious.com%20so%20go%20to%20the%20new%20one%20since%20this%20one A...

Uber: User credentials are not strong on vault.uber.com

I was just trying to login vault.uber.com I entered email xx and password xx, I got loggedin to someones account. I entered email zz and password zz, I got loggedin to someones account. It means passowrd complexity and length of username/email is not enforced. This allowed my to access the someon...

Uber: Possibility to brute force invite codes in riders.uber.com

When adding new promotion codes for free rides, one could brute force invitation codes since there is no protection against brute force attacks. When going to payment page, it's possible to apply promotion code. If we intercept this request, we can brute force codes, since there is no captcha or...

Bumble: Broken Authentication on Badoo

Please watch the attached video. It contains all necessary steps and demo of this vulnerability. Please fix this issue as soon as possible, it is highly severe. Looking forward for reply. Best Regards, Darshit varotaria...

VK.com: Checking whether user liked the media or not even when you are blocked

Poc : Take 2 accounts A and B 1. Now from A id make a random post say http://vk.com/id307083341?w=wall30708334136 2.Now from C id try to like the post of A . 3.Now from B id visit https://vk.com/dev/likes.getList 4. now put the owner id A and the post id == 307083341 which 36 in this case 5.and i...

Coinbase: HTML injection in apps user review

just watch this video https://www.dropbox.com/s/360cytluyiw2ym9/HTMLI.mp4?dl=0 this about full fake login exploit https://www.youtube.com/watch?v=5iRylyJTzWc...

ok.ru: Обход защиты от csrf-ок в m.ok.ru

Здравствуйте! Нашел еще способ обхода защиты от csrf-ок через параметр st.rtu Тогда можно было обойти через dlgId и через ссылки на страницах Сейчас заметил что можно сделать ajax запрос с токеном X-XTKN через параметр st.rtu Его можно отправить через редактирование заметки, записи в группе, при...

Mail.ru: XSS at af.attachmail.ru

XSS via attached SVG on sandbox domain af.attachmail.ru. xss via .svg file, working into UC BROWSER MINI only. Video poc: https://www.youtube.com/watch?v=E5akSwOXaKs&feature=youtu.be...

Internet Bug Bounty: X509_to_X509_REQ NULL pointer deref

X509toX509REQ NULL pointer deref CVE-2015-0288 =================================================== Severity: Low The function X509toX509REQ will crash with a NULL pointer dereference if the certificate key is invalid. This function is rarely used in practice. This issue affects all current OpenSS...

X (Formerly Twitter): XSS platform.twitter.com

Since you have fixed a few problems with the FlashTransport on platform.twitter.com already, I though I would also take a look at the JavaScript around it. Problem URL: https://platform.twitter.com/widgets/hub.html Description: The mentioned page opens URLs send to it via postMessage or...

HackerOne: Anti-MIME-Sniffing header X-Content-Type-Options header has not been set.

Hi, The following host "profile-photos-user-content.hackerone.com" does not set the x-content-type-options header to nosniff. If a malicious user is able to upload an image with script content Possible within the comments metadata Internet Explorer up till IE8 might render the content as Javascri...

Concrete CMS: FULL PATH DISCLOSUR

Full Path Disclosure FPD vulnerabilities enable the attacker to see the path to the webroot/file. e.g.: /home/omg/htdocs/file/. Certain vulnerabilities, such as using the loadfile within a SQL Injection query to view the page source, require the attacker to have the full path to the file they wis...

curl: Heap-OOB read in urlapi `redirect_url()` via `CURLU_GUESS_SCHEME` + `CURLU_NO_GUESS_SCHEME` flow

Hi all, We've found an issue in lib/urlapi.c where redirecturl reads past the end of a heap buffer when the source URL it operates on lacks a "scheme://" prefix. This is reachable through documented public APIs curlurlset when the caller mixes CURLUGUESSSCHEME with a subsequent CURLUNOGUESSSCHEME...

curl: rustls backend silently ignores CURLOPT_CRLFILE when native CA store is active

Hi all, When the rustls backend is configured to use the OS native CA store --ca-native / CURLSSLOPTNATIVECA, any CRL file supplied via --crlfile / CURLOPTCRLFILE is silently ignored. The option is accepted — CURLEOK from curleasysetopt, exit 0 from the command line — and revoked certificates pas...

curl: CVE-2026-7009: OCSP stapling bypass with Apple SecTrust

Summary When curl is built with --with-apple-sectrust or -DUSEAPPLESECTRUST=ON and OpenSSL, the --cert-status / CURLOPTSSLVERIFYSTATUS option is silently bypassed when Apple SecTrust handles certificate chain verification instead of OpenSSL. The user explicitly requests OCSP stapling enforcement,...

GitHub: OAuth redirect uri validation bypass for :proxima_first_party_sync apps

A vulnerability was identified in GitHub Enterprise Server that allowed an attacker to bypass OAuth redirect URI validation. The vulnerability was fixed in versions 3.20.1, 3.19.5, 3.18.8, 3.17.14, 3.16.17, 3.15.21, and 3.14.26. The vulnerability was reported through the GitHub Bug Bounty program...

Basecamp: Stored XSS on Trix Editor version latest (2.1.16) - Sanitizer Bypass

A vulnerability was discovered in Trix Editor version 2.1.16 that allowed for a Stored Cross-Site Scripting XSS attack. The vulnerability arose from an unsafe interaction between Trix's custom DOMPurify configuration and its document serialization logic. The issue was caused by Trix's use of the...

LY Corporation: page.line.me Open Redirect Leading to OAuth Authorization Code Exposure and Access Token Compromise

An open redirect vulnerability was identified in page.line.me because redirect destinations were not properly restricted to trusted domains. This vulnerability could have been abused within an OAuth 2.0 authorization flow to cause the authorization response to be sent to an attacker-controlled...

WakaTime: Double Clickjacking Attack on WakaTime OAuth Authorization Flow at https://wakatime.com/oauth/authorize

The WakaTime OAuth authorization flow was vulnerable to a double-clickjacking attack. The attack allowed an attacker to trick users into unknowingly clicking the "Connect my WakaTime account" button in the consent dialog, enabling the attacker to register an OAuth application, capture the...

curl: Exploitable Format String Vulnerability in curl_mfprintf Function

Vulnerability description not provided...

Internet Bug Bounty: [CVE-2024-47888] Possible ReDoS vulnerability in plain_text_for_blockquote_node in Action Text

There is a possible ReDoS vulnerability in the plaintextforblockquotenode helper in Action Text. This vulnerability has been assigned the CVE identifier CVE-2024-47888. Carefully crafted text was found to cause the plaintextforblockquotenode helper to take an unexpected amount of time, possibly...

Internet Bug Bounty: libcurl: freeing stack buffer during x509 certificate parsing

The libcurl's ASN1 parser had a vulnerability in the utf8asn1str function used for parsing an ASN.1 UTF-8 string. The function could detect an invalid field and return an error, which would trigger a free of a 4-byte local stack buffer. This could lead to a crash or potential memory corruption,...

curl: CVE-2024-6197: freeing stack buffer in utf8asn1str

The libcurl library at commit 04739054cdac5a0614fb94e3655e313c03399f35 contained an invalid invocation of the free function in the utf8asn1str function. The buffer being freed was located on the stack, which posed a security risk as the freed address could have been later returned by malloc calls...