Pornhub: [stored xss, pornhub.com] stream post function

Stored Cross Site Scripting The user profile page is vulnerable to stored cross site scripting, a user can post a text post on their page with the following as the message body: http://url=http://www.pornhub.com/"/onmouseover="alertdocument.domain"/http://a/"/url This gets stored in a post and ca...

HackerOne: Improperly validated fields allows injection of arbitrary HTML via spoofed React objects

Note: I haven't yet investigated the implications of this fully, so this may be more severe than I'm currently aware of. Right now the only exploits I'm aware of allow a team member to attack other team members. I've found a couple fields that I'd expect to be limited to string values, but which...

Localize: X-Content-Type-Options header missing

URL : http://www.localize.io/ Description : The Anti-MIME-Sniffing header X-Content-Type-Options was not set to 'nosniff' Solution : This check is specific to Internet Explorer 8 and Google Chrome. Ensure each page sets a Content-Type header and the X-CONTENT-TYPE-OPTIONS if the Content-Type head...

Yahoo!: REMOTE CODE EXECUTION/LOCAL FILE INCLUSION/XSPA/SSRF, view-source:http://sb*.geo.sp1.yahoo.com/, 4/6/14, #SpringClean

Thank you for your submission to the Yahoo Bug Bounty program. We were able to reproduce the issue you reported and have implemented appropriate fixes. We appreciate your adherence to responsible disclosure guidelines and look forward to your future participation in the program...

8x8: jitsi-meet: Prosody/Jigasi missing header whitelist in mod_filter_iq_rayo allows arbitrary SIP header injection and Caller ID spoofing

A vulnerability was discovered in the Prosody and Jigasi components of Jitsi Meet. The Prosody filter implemented an incomplete blocklist that allowed authenticated users with outbound-call privileges to inject arbitrary SIP headers, enabling Caller ID spoofing on outgoing SIP calls in environmen...

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...

Internet Bug Bounty: Proxy-Authorization header not cleared on cross-origin redirect in undici.request

The Proxy-Authorization header was not cleared on cross-origin redirects in the Undici HTTP client library. This issue was reported and patched in later versions of Undici...

curl: CVE-2024-0853: OCSP verification bypass with TLS session reuse

A vulnerability was identified in cURL version 8.5.0 that allowed revoked certificates to be accepted when reusing a TLS session. The issue was caused by a correction that inadvertently skipped OCSP stapling verification during TLS session reuse. This allowed revoked certificates to be accepted i...

U.S. Dept Of Defense: Unathenticated file read (CVE-2020-3452)

A vulnerability was found that allowed unauthenticated remote attackers to conduct directory traversal attacks and read sensitive files on affected Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense systems. This was due to a lack of proper input validation of URLs in HTTP...

GitHub Security Lab: [python]: Zip Slip Vulnerability

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

Internet Bug Bounty: Buffer Overflow in optimized_escape_html method

This report is a copy of bug report https://hackerone.com/reports/1328463. I was asked to submit this bug here, because Ruby bug bounty program is moved to this new Internet Bug Bounty program. Operating System ================ Windows 10 This should reproduce in any other operating system where...

Affirm: IDOR to view order information of users and personal information

Summary: Broken access control is the method of controlling which users can perform a certain type of action or view set of data. Broken access control is a vulnerability that allows an attacker to circumvent those controls and perform more actions than they are allowed to, or view content they...

U.S. Dept Of Defense: Sensitive data exposure via /secure/QueryComponent!Default.jspa endpoint on ████████

Description: Hi, While going through the testing of DoD assets, I have came across a subdomain that is vulnerable to CVE-2020-14179. Some of the internal fields that are exposed are Project, Status, Limits, Creator, Query, Created Date, Updated Date, Resolution Date, etc. References...

GitHub Security Lab: [Java] CWE-295 - Incorrect Hostname Verification - MitM

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

h1-ctf: HackerOne’s 100K CTF Writeup

Greetings team It has been a great challenge, thank you very much for the fun moments and also for the annoying ones : ██████████ P.S. I will put my writeup in my next comment. Impact ---...

curl: CVE-2021-22901: TLS session caching disaster

Summary: lib/vtls/openssl.c osslconnectstep1 sets up the osslnewsessioncb sessionid callback with SSLCTXsesssetnewcb, and adds association from dataidx and connectdataidx to current conn and data respectively: SSLCTXsetsessioncachemodebackend-ctx, SSLSESSCACHECLIENT | SSLSESSCACHENOINTERNAL;...

Kryptor: Kryptor/SECURITY.md missing HACKERONE program update.

Hi Team, I was going through code and found that in this https://github.com/samuel-lucas6/Kryptor/blob/master/SECURITY.md , "Security Policy" is missing update regrading Hackerone platform that "Security Bug now be submitted @ https://hackerone.com/kryptor/ this . Please update the policy...

Shopify: Stored XSS on apps.shopify.com

Steps to reProduce: 1 Write payload luc1d"@wearehackerone.com as Store contact email in General Settings page.myshopify.com/admin/settings/general F1202181 -- Wait here around 60 mins maybe more idk, it was 60 mins for me for the change to reflect -- You can confirm the change on here...

Kubernetes: kubectl creating secrets from stringData leaves secret in plain text

Report Submission Form Summary: kubectl creating secrets from stringData leaves secret in plain text Kubernetes Version: $ kubectl version Client Version: version.InfoMajor:"1", Minor:"19", GitVersion:"v1.19.3", GitCommit:"1e11e4a2108024935ecfcb2912226cedeafd99df",GitTreeState:"clean",...

U.S. Dept Of Defense: Misconfigured AWS S3 bucket leaks senstive data such of admin, Prdouction,beta, localhost and many more directories....

Description: It has been observed that the amazon s3 bucket which i believe belongs to DoD as it contains data related to Dod prod,admin,localhost documents and all is misconfigured as a result any unauthenticated users can access it without any restrictions Step-by-step Reproduction Instructions...

HackerOne: Open Redirect on http://events.hackerone.com/redirect?url=https://naglinagli.github.io

@nagli found an open redirect vulnerability in a 3rd party vendor that was used by HackerOne. This system did not contain any data related to reports submitted and stored on hackerone.com. HackerOne worked with the vendor to remediate the vulnerability. The report is partially disclosed to...

Shopify: Bypass For #997350 your-store.myshopify.com preview link is leak on third party website Via Online Store

Hi Security Team, Description Full Description in 997350 The owner of that website can perform a security compromise by grabbing those links. Solution: The solution is very very SIMPLE. Just include the following HTML code in the following in code between tags of the html of the page: This will n...

Shopify: Low Privileged Staff Member Can Export Billing Charges

Details I'm not 100% sure about this because i don't have billing transactions on my account. However, from my experience on how Shopify backend respond, i think this is a valid finding just need confirmation from Shopify's security team. A GraphQL mutation billingChargesExport can be used by a...

DRIVE.NET, Inc.: [www.drive2.ru] Insufficient Security Configurability - Notification message not sent when account is deleted

Email notifications are not sent when account is deleted. Email notifications are not sent when account is deleted. Best Practices As recommended practices, For security reasons, users should be able to be notified via email notification of changes to important operations such as account deletion...

X (Formerly Twitter): Bypass Password Authentication to Update the Password

Summary:This additional security measure from twitter provides protection to the victim's account, considering that a victim's session may have been hijacked by a hacker, however, due to this additional layer of security Implemented by twitter the hacker would not be able to change the victim's...

Acronis: Arbitrary DLL injection in mmsminisrv (Acronis Managed Machine Service Mini)

During initialization, mmsmini.exe service binary of mmsminisrv loads library C:\Program Files x86\Common Files\Acronis\Home\libssl10.dll. The library then tries to load non-existing file: C:\bshudson\workspace\mod-openssl-fips-win\205\product\out\standard\vs2013release\OpenSSL\ssl\openssl.cnf. T...

Stripo Inc: Integer Overflow (CVE_2017_7529)

Integer Overflow - The issue affects nginx 0.5.6 - 1.13.2...

X (Formerly Twitter): iOS app crashed by specially crafted direct message reactions

Summary: iOS app crashed by specially crafted direct message reactions Description: Twitter does not properly sanitize direct message reactions, making it possible for arbitrary reaction text to be shown to the user via the message preview in the direct message list. Special characters such as \r...

Automattic: Follow by email allows for following by unverified emails

The initial report outlined being able to add any email to a Tumblr account without verifying it first which is expected behavior that does not pose a security risk. However, the reporter also reported that these unverified emails were able to be used in our “follow by email” feature which we did...

Internet Bug Bounty: HTTP Smuggling multiple issues in Squid 3.x & squid 4.x

Hello, as can be seen on a recent public security update by Squid I reported several smuggling issues. If you want some background on impact of Smuggling issues You can check the current works of James Keetle or my own previous published works. https://www.youtube.com/watch?v=upEMlJeUIk HTTP Desy...

Nextcloud: Bypass configured 2FA provider with another provider that can be set up at login

In Nextcloud 17 there is the possibility to set up 2FA providers at login. A missing check allows the following steps 1 Enforce 2FA for all users 2 As a user, configure a 2FA provider via settings or at login 3 Log out 4 Log in again password only 5 When prompted with the earlier set up provider,...

curl: Insecure Frame (External)

Summary: Insecure Frame External Steps To Reproduce: Vulnerability Details identified an external insecure or misconfigured iframe. Remedy Apply sandboxing in inline frame For untrusted content, avoid the usage of seamless attribute and allow-top-navigation, allow-popups and allow-scripts in...

Flickr: Improper access control in place for "member only" groups via root.YUI_config.flickr.api.site_key

Researcher identified API endpoint that was not doing sufficient permission validation...

GitLab: Bypass Email Verification -- Able to Access Internal Gitlab Services that use Login with Gitlab and Perform Check on email domain

Summary Hi, I found the new SCIM provisioning function allows any group owner in gitlab to create any user with verified email address. i.e. I can create user with email address [email protected], and gitlab.com will think [email protected] is verified already. This will bring problem to the clie...

Slack: Slack DTLS uses a private key that is in the public domain, which may lead to SRTP stream hijack

Affects: Janus DTLS certificate Description The Janus server in use by Slack is configured using a certificate and private key that were previously distributed by default. This certificate is used to authenticate the DTLS connection which is later used to exchange keys for the SRTP stream. As a...

Shopify: STAFF member with NO Explicit permissions can view `ActivityFeed` via GraphQL

Hi, This is similar to 95589. I noticed that ActivityFeeds are now being fetched by GraphQL call on Shopify. But from my testing, I noticed that STAFF member with NO EXPLICIT permissions can fetch store's activity feed by calling the vulnerable endpoint. STEPS 1.STAFF member is not assigned any...

HackerOne: Improper UUID validation results in bypass of #419896

This was found while evaluating the vulnerability and patch identified in 419896. I determined the deployed patch to be effective. However, I noticed tracer values could be sent which didn't conform to the UUID specification as characters outside of the a-f and 0-9 ranges could be used. For...

Rocket.Chat: Blind XSS in the rocket.chat registration email

Note: This report was initially sent via email and I was invited to submit this here. Hi team, During an audit on a third-party, I discovered that rocket.chat Android client might be vulnerable to blind XSS. My XSS payload fired in the context of the target's rocket.chat client as you can see bel...

Trello: Stored XSS in Treeview plugin

There was a potential XSS issue in a third party power-up. While issues with third party apps are generally out of scope for our bug bounty program, in this case we opted to award a small bounty...

Node.js third-party modules: [simplehttpserver] Stored XSS in file names leads to malicious JavaScript code execution when directory listing is output in HTML

Hi Guys, simplehttpserver allows to embed HTML in file names, which in certain conditions might lead to execute malicious JavaScript. Module: 'simpehttpserver' is simple imitiation of python's SimpleHTTPServer and intended for testing, development and debugging purposes...

Node.js third-party modules: [serve] Directory index of arbitrary folder available due to lack of sanitization of %2e and %2f characters in url

Hi, This report is about Arbitrary Directory Listing vulnerability I found in serve module. Vulnerability does not allow to open arbitrary file due to send module which handles file reading and implements its own validation and protection against Path Traversal attacks. However serve handles...

Ruby: NET::Ftp allows command injection in filenames

Hi While using NET::Ftp I realised you could get command execution through "malicious" file names. The problem lies in the gettextfileremotefile, localfile = File.basenameremotefile method. When looking at the source code, you'll note: def gettextfileremotefile, localfile = File.basenameremotefil...

Automattic: xss filter bypass [polldaddy]

Hi, previously reported xss https://hackerone.com/reports/107405 which is fixed, but i am able to bypass that fix. Payload for bypass : Click Here Steps: - Login into Polldaddy account polldaddy.com - go to POLLS and create new poll - in answers. enter xss payload Click Here F217173 - Save it - g...

Gratipay: Missing Certificate Authority Authorization rule

Certificate Authority Authorization supported by LetsEncrypt and other CAs allows a domain owner to specify which Certificate Authorities should be allowed to issue certificates for the domain. All CAA-compliant certificate authorities should refuse to issue a certificate unless they are the CA o...

HackerOne: CRLF injection in info.hacker.one

Vulnerable URL: info.hacker.one Vulnerability description This script is possibly vulnerable to CRLF injection attacks. HTTP headers have the structure "Key: Value", where each line is separated by the CRLF combination. If the user input is injected into the value section without properly...

Yelp: Verification of email addresses possible through https://www.yelp.com/signup/facebook

Hi, There is an issue with the https://www.yelp.com/signup/facebook endpoint which allows an attacker to validate whether a specific email address is registered on Yelp. There seems to be no rate limit nor a validation for already used CSRF tokens. Steps to reproduce: 1. Go to...

Uber: Subdomain takeover of translate.uber.com, de.uber.com and fr.uber.com

Limited disclosure at @rojanr's request Subdomains including translate.uber.com, fr.uber.com and de.uber.com were pointing to a CNAME for a site that was not claimed. I was able to claim the site and add any content. For PoC purposes, I showcased my blog on translate.uber.com and de.uber.com...

Internet Bug Bounty: Insufficient shell characters filtering leads to (potentially remote) code execution (CVE-2016-3714)

The 1 EPHEMERAL, 2 HTTPS, 3 MVG, 4 MSL, 5 TEXT, 6 SHOW, 7 WIN, and 8 PLT coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allow remote attackers to execute arbitrary code via shell metacharacters in a crafted image, aka "ImageTragick." See also:...

Ubiquiti Inc.: Subdomain Takeover in http://assets.goubiquiti.com/

Hi there, Its urgent issue about your subdomain http://assets.goubiquiti.com pointing to AWS S3 but no such website configuration is made. This unused subdomain can claim by anyone and fully take over it. An attacker can fully takeover this subdomain and do whatever he wants. this can cause huge...

Square Open Source: git-fastclone allows arbitrary command execution through usage of ext remote URLs in submodules

I recently discovered a security vulnerability in git that also affects other programs that manually reimplement submodule-like operations. The recent security update to git0 concerning git-remote-ext URLs in submodules affects git-fastclone similarly. This bug was patched in Git v2.6.1, v2.5.4,...