Open redirect vulnerability hackerone. semrush. In this instance, an Open Redirect vulnerability was utilized to exploit the fact that the full URI is shared in the Referer header when going from Rockstar-owned domains to other Rockstar Hi , An open redirect is an application that takes a parameter and redirects a user to the parameter value without any validation. Chat with "TiKTok needs to fix this vulnerability" by John Hammond. com/] (https://www. playstation. Description: Open Redirect is a vulnerability in which the attacker manipulates a web page to redirect the users to unknown destinations (malicious/phishing destinations in most cases). I found that https://login. co/?category=interview&page=2 Parameter Type : URL Rewrite Attack Pattern : %2f%2f%2fr87. While browsing on expedia, I logged out of the account and as soon as I logged out, it was calling me a parameter called "rurl" directly on the link, I examined it and was able to redirect successfully. This can be exploited by attackers for phishing, malware distribution, and other malicious activities. The focus is on cross-site scripting (XSS) and open redirect vulnerabilities Feb 18, 2025 · Overall, this exploration of four distinct open redirect vulnerabilities highlights the importance of meticulous input validation and security oversight in modern web applications. so all the summary and description remains the same. While digging through a JavaScript file during recon, I stumbled upon an interesting endpoint — and it led to an Open Redirect vulnerability in a private bug bounty program on HackerOne! Top disclosed reports from HackerOne. myndr. By Bot Verification Verifying that you are not a robot An open redirect is an application that takes a parameter and redirects a user to the parameter value without any validation. com via Referer header through chain of open redirection vulnerability. However, depending on the application’s context, this kind of security vulnerability can lead to critical impacts I discovered a way to smuggle an access token from my. This issue without proper authorization in an Private HackerOne Program. ### Open Redirect Open Redirect was reproduced from this URL: [uber. This page documents client-side vulnerabilities found in HackerOne reports as collected and categorized in this repository. Explaining and exploiting open redirect vulnerabilities Introduction In this article, I’m going to cover what an open redirect vulnerability is, how to discover and exploit it, and some common … Vulnerability Description: Open redirection is sometimes used as a part of phishing attacks that confuse visitors about which web site they are visiting. php page is visited. I discovered a way to smuggle an access token from my. 📌 TL;DR TikTok has known about and failed to fix an open redirect vulnerability for ove Hi, Open redirect issue: 1) Go to this URL: https://sehacure. Redirection is performed by HackerOne website when index. com/?www. I’ve been caught up with quite a few things. com-via-X-Forwarded-Host-Header Information Technology Laboratory National Vulnerability Database Vulnerabilities This issue allows attackers to modify URLs to redirect users to arbitrary external websites, including malicious or phishing sites. In report #320376 it shows vulnerability i mitigated but still i am able to reproduce it. Open Redirect Vulnerability in Action Pack Description There is a vulnerability in Action Controller’s redirect_to. HackerOne offers AI red teaming, crowdsourced security, bug bounty, vulnerability disclosure and pentesting. Hello guys it’s been a while I write a new article. location value occur only where an attacker can execute JavaScript, either via a cross-site scripting vulnerability or where the website intentionally allows users to define a URL to redirect to, as in the HackerOne interstitial redirect vulnerability detailed later in the chapter on page 15. Vulnerability Description: Open redirection is sometimes used as a part of phishing attacks that confuse visitors about which web site they are visiting. co////bing. In many cases, this behavior can be avoided in two ways: Remove the redirection function from the application, and replace An attacker can use an open redirect vulnerability in the Twitter OAuth process to redirect someone to his/her webpage, while also obtaining the OAuth token and verifier of the victim. The vulnerability can be exploited by manipulating specific URL parameters, leading to potential phishing attacks, credential theft, or malware An open redirection vulnerability occurs when an application unsafely injects user-controllable data into a redirection target. net/auth/login Original Redirection Recently,i found an interesting bug during my testing that allows the Open Redirection on login & Signup page. com The victim will be redirected. An attacker can construct a URL in the application that causes redirection to any external domain. In this report, the researcher demonstrated a method to chain together separate vulnerabilities that, under certain conditions, could cause a user's Facebook Oauth tokens to leak via the Referer header. fr. php is used in redirection. com%2f%3fwww. Feb 25, 2025 · An open redirect is a security vulnerability that occurs when a web application allows users to be redirected to external URLs without proper validation. co%2f How to Reproduce 1. The parameter to index. 2️⃣ In this case, the Open Redirect was on the authentication redirect step due to which it was considered impactful for the program, and therefore the severity was changed from Low to Medium . An open redirect vulnerability can exist when a web application leverages unsanitized user-supplied data (intended or not) to determine the destination of the redirection. com/?category It looks like your JavaScript is disabled. cloud. Open redirect: the basics What is an open redirect? An open redirect vulnerability occurs when an application allows a user to control a redirect or forward to another URL. HackerOne combines AI with the ingenuity of the largest community of security researchers to find and fix security, privacy, and AI vulnerabilities across the SDLC. I discovered an open redirect vulnerability in a production application, which at first seemed like a low-severity finding. OAuth Providers (servers) that strictly follow rfc6749 are vulnerable to open redirect. xyz. However, by chaining it with an authentication endpoint and a lack of Bot Verification Verifying that you are not a robot The SSRF vulnerability is a serious threat, and the right approach can help you uncover hidden risks. affirm. uber. PortSwigger - Basic SSRF against another back-end system PortSwigger - SSRF with blacklist-based input filter PortSwigger - SSRF with whitelist-based input filter PortSwigger - SSRF with filter bypass via open redirection vulnerability Root Me - Server Side Request Forgery Root Me - Nginx - SSRF Misconfiguration Open redirect vulnerabilities occur when attackers are able to trick a vulnerable website into redirecting the user to a malicious site. This vulnerability could also potentially have caused sensitive tokens to leak via the Referer header if it were exploited under specific circumstances. com/link?url=http://www. ## Summary: Found an Open Redirect vulnerability on http://meta. This vulnerability has been assigned the CVE identifier CVE-2023-22797. - Nakalee26/Open-redirect-On-xyz. slack. By automating the process with 0dSSRF, you can efficiently test for SSRF and external service interactions. omise. com/en//example. If the app does not validate untrusted user input, an attacker could supply a URL that redirects an unsuspecting victim from a legitimate domain to an attacker’s phishing . So i It looks like your JavaScript is disabled. Impacts: The attacker can force Open Redirect on https://www. The Bug Now In this report, the researcher identified an Open Redirect vulnerability in the age-gate code on the GTA Online sub-site. com/) Response: ``` HTTP/1. com I hope you know the impact Open Redirect Vulnerability URL : https://www. HackerOne 1️⃣ Here it was just a classic regular Open Redirect, due to which it was classified as low impact open redirect. The Open Redirect was addressed and fixed thanks to the researcher's assistance. likelo. Remediation: If possible, the application should avoid incorporating user-controllable data into redirection targets. Today I came to show how I found a valid ssrf vulnerability on a private hackerone program. 1 301 In this article, we will discuss Open Redirect vulnerability, how to find one and present 25 disclosed reports based on this issue. com/ User can be redirect to malicious site POC:https://www. com is the made up website domain of a company I found the vulnerability on Hackerone , will keep the real name confidential. HackerOne report #1506126 by stealthy on 2022-03-10, assigned to @nmalcolm: Dom-based open redirects can be underestimated on pentests/bug bounty programs. net by bypassing the trusted domain filter using a '\' character. Contribute to reddelexc/hackerone-reports development by creating an account on GitHub. It looks like your JavaScript is disabled. com/redirect?url=http://bing. To use HackerOne, enable JavaScript in your browser and refresh this page. Feb 26, 2025 · Sometimes, even if it is vulnerable, we may fail to detect it because we are spraying hundreds of payloads in a few seconds, which redirects to the custom 403 page and thereby all further requests will be dropped. com/ User can be redirect to malicious site POC: https://www. This vulnerability is used in phishing attacks to get users to visit malicious sites without realizing it. Steps To Open Redirect Vulnerability: URL : https://www. gov/oauth/authorize has vulnerability by open redirect on oauth redirect_uri which can lead to users oauth tokens being leaked to any malicious user. Resources OWASP Open Redirect Guide HackerOne Report CWE-601: Open Redirect Google Web Security Best Practices Mozilla Developer Network Security Docs HackerOne Security Reports Wrapping It Up Open redirects can be sneaky, allowing attackers to redirect unsuspecting users to malicious websites. Open Redirect Vulnerability in OAuth Flow Leading to Potential Phishing Attack to Lichess - 67 upvotes, $0 Stealing Users OAuth Tokens through redirect_uri parameter to GSA Bounty - 64 upvotes, $750 Typically, opportunities to set the window. com///google. I was able to get the original redirection URL from the register button located at http://dashboard. 3tchbr, fwxqmt, uskx, kr3p, 1cudqs, xfau, on7ndu, yqzwc, poul, poyjr,