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CVE-2026-104479— Shopclass before 6.2.0 Stored XSS via Listing Description Field

Quick assessment

Affected
mindstellar shopclass
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Shopclass 6.2.0 之前版本中存在一个存储型跨站脚本（XSS）漏洞，允许自行注册的非管理员用户在启用前端 TinyMCE 编辑器时，向商品描述中注入恶意脚本。攻击者可以提交恶意的 JavaScript 代码，ItemActions.php 会在未进行标签过滤的情况下直接保存该代码，导致任何浏览该商品的访问者在页面加载时，在其站点上下文中执行该恶意脚本。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-104479

Vulnerability Information
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Vulnerability Title
Shopclass before 6.2.0 Stored XSS via Listing Description Field
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
mindstellar shopclass 0 ~ 6.2.0 -

II. Public POCs for CVE-2026-104479

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III. Intelligence Information for CVE-2026-104479

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Patches & Fixes for CVE-2026-104479 (1)

Vendor Advisories for CVE-2026-104479 (1)

Vendor Pages for CVE-2026-104479 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-104479

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