What is the CVSS score of CVE-2020-8176?

CVE-2020-8176 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.0%.

Is there a public PoC exploit available for CVE-2020-8176?

Yes, a public proof-of-concept exploit is available for CVE-2020-8176. Prioritise patching immediately. EPSS: 1.0%.

Is there a patch available for CVE-2020-8176?

Yes, a patch is available for CVE-2020-8176. Update the affected software to the latest version immediately.

Koa Shopify Auth CVE-2020-8176

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2020-07-02 support@hackerone.com

XSS Koa Shopify Auth

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jul 02, 2020 - 19:15 nvd

MEDIUM 6.1

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.

AnalysisAI

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.

Technical ContextAI

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.

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.