CVE-2026-104479

Shopclass before 6.2.0 Stored XSS via Listing Description Field

State: Published
Severity: 5.1 Medium
Published: Oct 2, 2026
Updated: Oct 5, 2026
Reserved: Oct 2, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N	VulnCheck
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
shopclassmindstellar	before 6.2.0Affected 6.2.0Not affected

References

Patch Commitpatch
https://github.com/mindstellar/shopclassproduct
VulnCheck Advisory: Shopclass before 6.2.0 Stored XSS via Listing Description Fieldthird-party-advisory

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