What is GHSA-3gwr-hcgg-p3rv?

GHSA-3gwr-hcgg-p3rv is a security advisory published by GitHub Security Advisories with Medium severity. Shopclass before 6.2.0 contains a stored cross-site scripting vulnerability that allows self...

Which CVE IDs does GHSA-3gwr-hcgg-p3rv cover?

GHSA-3gwr-hcgg-p3rv covers the following CVE IDs: CVE-2026-104479. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3gwr-hcgg-p3rv?

GHSA-3gwr-hcgg-p3rv has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-3gwr-hcgg-p3rvMediumCVSS 5.4

Shopclass before 6.2.0 contains a stored cross-site scripting vulnerability that allows self...

Vendor

GitHub Security Advisories

Published

October 3, 2026

Last Modified

October 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-104479 →

📋 Description

Shopclass before 6.2.0 contains a stored cross-site scripting vulnerability that allows self-registered non-admin users to inject scripts into item listing descriptions when frontend TinyMCE is enabled. Attackers can submit malicious JavaScript, which ItemActions.php saves without tag stripping, causing it to execute in the site origin for any visitor viewing the listing.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-104479
https://github.com/mindstellar/shopclass/commit/c196f70906522c9b9172c24f1b42cd0a02357422
https://github.com/mindstellar/shopclass
https://www.vulncheck.com/advisories/shopclass-before-6.2.0-stored-xss-via-listing-description-field
https://github.com/advisories/GHSA-3gwr-hcgg-p3rv