Shopify
CVE-2020-8176
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A cross-site scripting vulnerability exists in koa-shopify-auth v3.1.61-v3.1.62 that allows an attacker to inject JS payloads into the shop parameter on the /shopify/auth/enable_cookies endpoint. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A cross-site scripting vulnerability exists in koa-shopify-auth v3.1.61-v3.1.62 that allows an attacker to inject JS payloads into the shop parameter on the /shopify/auth/enable_cookies endpoint. Affected products include: Shopify Koa-Shopify-Auth.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A cross-site scripting vulnerability exists in koa-shopify-auth v3.1.61-v3.1.62 that allows an attacker to inject JS payloads into the shop parameter on the /shopify/auth/enable_cookies endpoint.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
React Router (@react-router/node 7.0.0-7.9.3) has a path traversal in file-based session storage when using unsigned coo
React Router is a router for React. In @remix-run/react version prior to 2.17.3. [CVSS 8.2 HIGH]
React Router is a router for React. In @remix-run/react versions 1.15.0 through 2.17.0. [CVSS 7.6 HIGH]
Cross-shop context confusion in the Shopify shopify_app Ruby gem (versions 22.1.0 through 23.0.2) allows an authenticate
Local File Inclusion in the Shopify (Shopify Help Center) WordPress plugin through version 1.0.0 allows an authenticated
React-Router versions up to 6.30.1 is affected by url redirection to untrusted site (open redirect) (CVSS 6.5).
React Router is a router for React. In @remix-run/server-runtime version prior to 2.17.3. [CVSS 6.5 MEDIUM]
Remote code execution in Tophat mobile testing harness prior to 2.5.1 allows authenticated network attackers to execute
React Router is a router for React. In @remix-run/router version prior to 1.23.2. [CVSS 8.0 HIGH]
Hydrogen is a React-based framework for building dynamic, Shopify-powered custom storefronts. Rated medium severity (CVS
Exploit-DB