| Название | Reflected Cross-Site Scripting on Shopicial App |
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| Описание | Hello team, how are you? During a vulnerability hunt I found a shopify app called shopicial and found a vulnerability.
Reflected Cross-Site Scripting (XSS) is a type of security vulnerability that occurs when an application includes untrusted data in the response sent to a user's browser without properly validating or escaping that data. As a result, an attacker can inject malicious code (usually JavaScript) into a web application's output, which is then executed within the context of the victim's browser when they view the compromised page.
The term "reflected" in Reflected XSS refers to the fact that the malicious payload is reflected off a web server's response back to the user, rather than being stored in a database or another persistent location.
The vulnerability is present in all domains that use the App.
https://apps.shopify.com/shopicial
PoC:
The soft spot is the search?from= parameter
1 - Affected demo url:
https://ivankyo.com/a/shopicial/search?from=comments</script>'"><img src=x onerror=alert(document.cookie)>
2 - With Google Dork >
intext:"Powered by Shopicial"
The impact of a successful reflected Cross-Site Scripting (XSS) attack can vary depending on the nature of the vulnerability, the target website, and the attacker's goals. Here are some potential impacts of a reflected XSS attack:
Data Theft: Attackers can steal sensitive information from the victim's browser, such as cookies, session tokens, login credentials, or personal information. This stolen data can be used to impersonate the user or gain unauthorized access to their accounts.
Session Hijacking: By stealing session cookies or tokens, attackers can hijack the victim's session and gain access to their account without needing the actual login credentials.
Account Compromise: If the victim is logged into a web application while encountering the malicious code, the attacker can perform actions on the victim's behalf, such as changing account settings, making unauthorized purchases, or conducting fraudulent activities.
Phishing: Attackers can create convincing phishing attacks by injecting malicious code into seemingly legitimate websites. Victims might be prompted to enter their credentials or personal information, which is then collected by the attacker.
Malware Distribution: Attackers can use reflected XSS to redirect users to websites hosting malware, leading to the unwitting installation of malicious software on the victim's computer or device.
Website Defacement: Attackers might inject code to deface the website's appearance, display offensive content, or spread their message.
Drive-By Downloads: Malicious code injected via reflected XSS could trigger the automatic download and execution of malicious software on the victim's system.
Cross-Site Request Forgery (CSRF) Attacks: Attackers can use XSS vulnerabilities to execute actions on a victim's behalf within another website where the victim is authenticated, potentially leading to unauthorized actions.
User Trust and Reputation: A successful reflected XSS attack can erode user trust in the compromised website, damaging its reputation and potentially causing financial losses.
Legal and Regulatory Consequences: If a website is compromised and user data is exposed, the organization may face legal and regulatory consequences for failing to protect user information.
It's important to note that the impact of a reflected XSS attack largely depends on the attacker's intentions and the security measures in place on both the victim's side (browser security) and the website's side (security measures implemented by developers). To mitigate these risks, web developers need to be proactive in securing their applications against XSS vulnerabilities and regularly testing their code for potential exploits. Users should also be cautious when clicking on links from untrusted sources and keep their software and browser up to date to minimize their exposure to such attacks. |
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| Источник | ⚠️ https://apps.shopify.com/shopicial |
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| Пользователь | Stux (UID 40142) |
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| Представление | 30.08.2023 15:38 (3 лет назад) |
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| Модерация | 15.09.2023 08:12 (16 days later) |
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| Статус | принято |
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| Запись VulDB | 239794 [app1pro Shopicial до 20230830 search from межсайтовый скриптинг] |
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| Баллы | 17 |
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