PT-2020-20002 · Shopify · Koa-Shopify-Auth

Nhusher + 1 · Published 2020-07-02 · Updated 2021-05-17 · CVE-2020-8176

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions koa-shopify-auth versions 3.1.61 through 3.1.62

Description A cross-site scripting issue exists, allowing an attacker to inject JS payloads into the shop parameter on the "/shopify/auth/enable cookies" endpoint.

Recommendations For versions 3.1.61 through 3.1.62, as a temporary workaround, consider restricting access to the "/shopify/auth/enable cookies" endpoint until a patch is available. Avoid using the shop parameter in this endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-8176

GHSA-JQH7-W5PR-CR56

Affected Products

Koa-Shopify-Auth

References · 5

• 🔥 https://github.com/Shopify/quilt/pull/1455 · Exploit
• https://osv.dev/vulnerability/CVE-2020-8176 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8176 · Security Note
• https://osv.dev/vulnerability/GHSA-jqh7-w5pr-cr56 · Vendor Advisory
• https://hackerone.com/reports/881409 · Note