Shopify: Blog posts atom feed of a store with password protection can be accessed by anyone

Hi shopify, DESCRIPTION I found a issue with blog posts atom feed of a shopify store. So without password we can't access the blog post atom feed at https://yourstore.myshopify.com/blogs/news.atom . But this can be bypass to access the atom feed of the blog posts. For example try out this. I have...

GitHub Security Lab: ihsinme: CPP Add query for CWE-1126: Declaration of Variable with Unnecessarily Wide Scope

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

Reddit: XSS

hi security team i have found a XSS in old.reddit.com and in reddit.com Description: Cross-site scripting also known as XSS is a web security vulnerability that allows an attacker to compromise the interactions that users have with a vulnerable application. It allows an attacker to circumvent the...

curl: CVE-2021-22898: TELNET stack contents disclosure

Summary: lib/telnet.c suboption function incorrecly checks for the sscanf return value. Instead of checking that 2 elements are parsed, the code also continues if just one element matches: ifsscanfv-data, "%127^,,%127s", varname, varval As such it is possible to construct environment values that...

MTN Group: No rate limit in otp code sending

Summary: There is no rate limit in sendind otp code. Thus, attacker can use this vulnerability to bomb out the mobile inbox of the victim. Steps To Reproduce: Step 1. Open burp suite, and click on "Intercept is on " button from Proxy tab. Step 2. Launch browser and visit https://mtnonline.com/nim...

Valve: Add apps to packages 0, 61, 62 with /store/ajaxpackagemerge

The ajaxpackagemerge API incorrectly allowed partners to add their own apps to certain Valve administrative packages. This can be further leveraged to generate CD key ranges for these administrative packages. The API access control was corrected...

Internet Bug Bounty: Use after free vulnerability in phar_parse_zipfile

Malformed phar file with cache configuration leads freed memory as hash key when it inserts into the hash table. More detail information and original report is here: https://bugs.php.net/bug.php?id=79797 and it was assigned CVE-2020-7068. Impact Through this vulnerability that inserts freed memor...

Mail.ru: [account.mail.ru] XSS-уязвимость в форме авторизации

User-assisted XSS in account.mail.ru due to unsafe usage of GET parameter Думаю, что данная XSS'шка является отличным примером того, что фильтрация HTML-символов во входных данных не всегда достаточная мера защиты. Если будем раскрывать уязвимость, то вот более удачная демонстрация, без моих куко...

Internet Bug Bounty: Cache Poisoning

Summary: An attacker can cause Squid to return to the user attacker controlled data, for any domain. From Squid-4.7 and below both HTTPS and FTP could be poisoned. This is due to Squid URL decoding parts of the Request URL and using that to create a hash. Request that decode to the same URL will...

Semrush: Reflected XSS on https://www.semrush.com/my_reports/externalSource/callback/googleAccountsGMB

Researcher found reflected XSS vulnerability on https://www.semrush.com/myreports/externalSource/callback/googleAccountsGMB Report: The parameter status is missing sanitization in the following url: https://www.semrush.com/myreports/externalSource/callback/googleAccountsGMB?status=xssalert//...

X (Formerly Twitter): XSS and Open Redirect on MoPub Login

Summary: I found open redirect at the MoPub login page, https://app.mopub.com/login?next=https://google.com. It also allows javascript URIs, leading to XSS. Description: You can modify the "next" URL parameter to redirect to any website upon logging in on MoPub. Steps To Reproduce: 1. Take this...

Ubiquiti Inc.: Local File Disclosure (+XSS+CSRF) in AirOS 6.2.0 devices

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...

Pornhub: SSRF and local file disclosure by video upload on http://www.youporn.com/

The researcher was successful in exploiting a vulnerability in 3rd encoding party library resulting in the execution of SSRF attacks and Local File Disclosure...

Automattic: Insufficient DKIM record with RSA 512-bit key used on WordPress.com

What is DomainKeys Identified Mail DKIM ? DKIM allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain. It achieves this by affixing a digital signature, linked to a domain name, to each outgoing email message. The...

DuckDuckGo: XXE on https://duckduckgo.com

An XML External Entity XXE injection vulnerability was discovered in the x.js endpoint on https://duckduckgo.com via u parameter. This was due to improper sanitation of external XML entities. The results was a leak of certain world readable files on the system. This issue was patched. Additionall...

Nextcloud: Expired reshare links allow access to all files in share

After a reshared subfolder link has expired, the link allows access to the full folder. I found the Problem in Nextcloud 14.0.3, but it still persists in 14.0.4 Steps: 1. share folder "A" with an nextcloud group 2. reshare a subfolder "B" of this folder with another user on this group in this cas...

Shopify: Unauthenticated access to Zendesk tickets through athena-flex-production.shopifycloud.com Okta bypass

Summary athena-flex-production.shopifycloud.com seems to be an internal system that Shopify uses because it redirects user to Okta login. During this however, I noticed that it first returns 200 and then does a redirect meaning some part of the website loads before redirecting. With this, I was...

Slack: Internal SSRF bypass using slash commands at api.slack.com

@albatraoz found a bypass to report 61312, allowing information leakage via SSRF in Slash commands. We fixed the vulnerability and performed a through investigation. Thanks @albatraoz!...

Valve: Malformed .BSP Access Violation in CS:GO can lead to Remote Code Execution

A malformed .BSP can trigger an Access Violation on CS:GO that can lead to arbitrary code execution on a remote computer. I have attached a copy of the malformed .BSP which reliably triggers an Access Violation on CS:GO. Impact An attacker hosting a malicious server could compromise a remote clie...

Mail.ru: api.icq.com / отсутсвие лимита на отправку сообщений удаляя параметр защиты "&r"

Researcher reported removing r= parameter from request allows to bypass rate limits. This claim was not confirmed, r= paramter protects message from intermediate caching and prevents sending the same message twice in the case of network failure, it does not affect any ratelimits, no security...

Node.js third-party modules: [cloudcmd] Stored XSS in the filename when directories listing

I would like to report a Stored XSS issue in module cloudcmd It allows executing malicious javascript code in the user's browser. Module module name: cloudcmd version: 9.1.5 npm page: https://www.npmjs.com/package/cloudcmd Module Description Cloud Commander is an orthodox web file manager with...

Pornhub: xss

The researcher found a GET parameter, the value of which was output in the page source, resulting in XSS...

Semrush: Insecure Direct Object Reference on API without API key

Summary: It is possible to query the semrush API without specifying an API key. This allows anyone to query the API and retrieve information without having paid for a subscription. This is not a security vulnerability as such, but I believe it does undermine your business model in that a user doe...

Mail.ru: Unupdated ImageMagic leads to uninitialized server memory disclosure

It was possible to disclosure the part of server memory from uncontrolled location on account.my.com project via uploaded GIF image header manipulation. account.my.com is not currently in the Bug Bounty scope, reward was paid as a bonus due to potential severity. CVE-2017-15277...

Instacart: Bruteforcing password reset tokens, could lead to account takeover

Hey Instacart security team, Description When resetting a new password on https://shoppers.instacart.com/password you will receive an email with a reset link. when clicking on this link. you go to this page: https://shoppers.instacart.com/password/edit?resetpasswordtoken=YourToken when entering a...

Legal Robot: Bypass email verification when register new account

Hi Legalrobot, I have found a way to ignore Activate your account in my mailbox. Here is my new acc: [email protected] and the activate link: https://app.legalrobot-uat.com/email-verify?v=1Y5wiWwcvGcxznjlUsO-TuyEZgFpVbxMmQdfpEKrVTp I never click on that link and i can still log in at...

Rockstar Games: Stored XSS on support.rockstargames.com

In this report, the researcher demonstrated an AngularJS injection that allowed them to leave Stored XSS attacks on Support Community threads. We were able to resolve this issue and others by updating the version of AngularJS we run on the Support site...

Internet Bug Bounty: Out of Bounds Memory Read in unserialize()

The finishnesteddata function in ext/standard/varunserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP. This has been...

WakaTime: Login page password - guessing attack

No account lock out after a certain number of failed login attempts Steps to reproduce: navigate to https://wakatime.com/ and enter email address and false password make more than attempts and account does not get locked out After failed attempts, I was still able to login in with my password...

Pornhub: Stored XSS in the any user profile using website link

The researcher discovered a stored XSS in the Website field of a user's profile page. I discovered Stored XSS attack vector in the user profile page using Website field. A similar bug was fixed several months ago i got a Duplicate in that time, but after some time I checked this again, and... the...

Concrete CMS: Stored XSS in Pages SEO dialog Name field (concrete5 8.1.0)

Intro First things first, so... Crayons, crayons everywhere : Type of issue: Core CMS issue Level of severity: Internal Attack Vector Concrete5 version: 8.1.0 Summary There is Stored XSS vulnerability in Name field SEO dialog for pages. Malicious user is able to prepare payload which is then...

Internet Bug Bounty: OOB read in TS_OBJ_print_bio() (CVE-2016-2180)

The function TSOBJprintbio misuses OBJobj2txt: the return value is the total length the OID text representation would use and not the amount of data written. This will result in OOB reads when large OIDs are presented. refer: https://www.openssl.org/news/secadv/20160922.txt...

GitLab: Cookie bomb

It is possible to create a that called cookie bomb in Gitlab Pages. This is especially a problem if the site creating the cookie bomb uses a shared pages domain. In that case no subdomain of that domain would be accessible for that user anymore until they clear their cookies. That does not only...

LocalTapiola: Source Code Disclosure on out of scope domain viestinta.lahitapiola.fi

Issue The reporter had found an open .git folder on one of our out of scope domains. Fix The issue was investigated and found to be valid. The source code was removed from the public server. The source code did not contain any business critical information and customer information was never at...

Ruby on Rails: Regarding [CVE-2016-0752] Possible Information Leak Vulnerability in Action View

Possible Information Leak Vulnerability in Action View. There is a possible directory traversal and information leak vulnerability in Action View. This was meant to be fixed on CVE-2016-0752. However the 3.2 patch was not covering all the scenarios. This vulnerability has been assigned the CVE...

Anghami: [CRITICAL] Login To Any Account Linked With Google+ With Email Only

Hello, This is CRITICAL .. I Can Login To Any Account Linked With Google+ With Email Only And Without Password!! PoC: html And To Make This PoC Work .. You Have To Follow The Same Bypass in My Previous Report 86428. If Your Page URL is http://localhost/login.html Make IT Look Like...

Internet Bug Bounty: Multiple Use After Free Vulnerabilites in unserialize()

https://bugs.php.net/bug.php?id=70166 https://bugs.php.net/bug.php?id=70168 https://bugs.php.net/bug.php?id=70169...

jsDelivr: Pretty Photo Dom XSS

Hi Team, Javascript for http://www.jsdelivr.com/!prettyphoto hosted on the website points to 3.1.5 which is vulnerable to DOMXSS the upstream released an update 3.1.6 7 days back still the CDN is serving vulnerable edition effectively making all the websites vulnerable to DoMXSS Details about the...

Khan Academy: 1-Click Account Takeover via Open Redirect through Regex Bypass in Domain Validation

A vulnerability was discovered in the Khan Academy platform that allowed an attacker to achieve full account takeover of any user. The vulnerability was caused by an unescaped dot flaw in the regular expression used to validate redirect URLs. This allowed the attacker to register a malicious doma...

curl: Security Analysis Report: CURL Integer Overflow Vulnerability

Vulnerability Overview Vulnerability Type: Integer Overflow in HTTP chunked encoding Location in Source: lib/httpchunks.c line 173 lib/curlx/strparse.c lines 185–186 Impact: Integer overflow leads to memory corruption Can cause buffer overflow Results in Denial of Service DoS for curl Potential...

U.S. Dept Of Defense: IDOR leads to view other user Biographical details (Possible PII LEAK)

The researcher discovered an Insecure Direct Object Reference IDOR vulnerability in the www.██████████ domain. The vulnerability allowed a user to access other users' biographical details, leading to a potential Personally Identifiable Information PII leak. The vulnerable endpoints were located i...

Nintendo: [Wii U/3DS/Switch] Improper bounds check in StationURL in all NEX clients leading to remote crash/RCE

Vulnerability description not provided...

Internet Bug Bounty: (CVE-2023-32004) Permission model bypass by specifying a path traversal sequence in a Buffer

A vulnerability was discovered in Node.js version 20, specifically within the experimental permission model. It allowed for a bypass of the permission model by specifying a path traversal sequence in a Buffer, leading to improper handling of file permissions...

Brave Software: Open redirect due to scanning QR code via brave browser

An open redirect vulnerability was discovered in Brave's QR code scanner, which allowed attackers to direct users to malicious sites without their consent or knowledge. This vulnerability put the security of Brave users at risk and allowed them to be exposed to phishing and malware attacks. The...

Mattermost: Uninstalling Mattermost Launcher for Windows (64-bit), then reinstalling keeps you logged in without authentication

The Mattermost Desktop App for Windows 64-bit had a vulnerability where uninstalling and then reinstalling the app would automatically log the user back in without requiring authentication, allowing unauthorized access to the user's account and data. The uninstall process did not remove session...

GitLab: Stored-XSS with CSP-bypass via labels' color

Stored-XSS with CSP-bypass was discovered in Gitlab that allowed attackers to execute arbitrary actions on behalf of victims at the client side. This was possible due to the import of unsanitized label colors from Github, which led to the execution of malicious JavaScript code...

Internet Bug Bounty: CVE-2022-32214 - HTTP Request Smuggling Due To Improper Delimiting of Header Fields

Original Report: https://hackerone.com/reports/1524692 Impact Depending on the specific web application, HRS can lead to cache poisoning, bypassing of security layers, stealing of credentials and so on...

Node.js: CVE-2022-32213 bypass via obs-fold mechanic

Summary The fix for CVE-2022-32213 can be bypass using an obs-fold, which Node's http parser supports Proof-Of-Concept const http = require'http'; http.createServerrequest, response = let body = ; request.on'error', err = response.end"error while reading body: " + err .on'data', chunk =...

LinkedIn: Add me email address Authentication bypass

hi, this vulnerability can able to access user account without email verification in linkedins' add me email address function page. user add mail2 email address. without mail2 email address verification user can fully access mail1 linkedin account using mail2 email address. In linkedin mobile...

Internet Bug Bounty: Regexes with large repetitions on empty sub-expressions take a very long time to parse

Rust's regex crate guarantees a linear time complexity with regex length for compilation of untrusted regexes. However, existing mitigations for known malicious regexes are based on memory usage and, as such, do not mitigate repetitions of empty sub-expressions. For example, the following payload...