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CVE-2026-54645— CubeCart: Stored XSS in Product Description Editor via Global Sanitizer Bypass

Quick assessment

Affected
cubecart v6
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.

CubeCart 是一款电子商务软件解决方案。在 6.7.5 版本之前， 文件从 中读取 、 和 等富文本字段，仅在存储和通过 Smarty 模板渲染之前移除 元素。具有产品编辑权限的管理员可以存储事件处理程序属性、SVG 内容或 URI，从而绕过该过滤机制，导致持久化 JavaScript 执行。当商店访客或其他管理员查看产品内容时，即可触发此执行，进而可能导致会话信息泄露或在浏览器上下文中执行未授权操作。该问题已在 6.7.5 版本中修复。

CVSS 4.8 · Medium

Public Exploits 1

ExploitDB · 1 EDB-52662 [webapps]
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I. Basic Information for CVE-2026-54645

Vulnerability Information
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Vulnerability Title
CubeCart: Stored XSS in Product Description Editor via Global Sanitizer Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
CubeCart is an ecommerce software solution. Prior to 6.7.5, admin/sources/products.index.inc.php reads the description, description_short, and spec_copy rich-text fields from $GLOBALS['RAW']['POST'] and removes only script elements before the values are stored and rendered through Smarty templates. An administrator with product-editing rights can store event-handler attributes, SVG content, or javascript: URIs that bypass this filter, causing persistent JavaScript execution when a storefront visitor or another administrator views the product content and enabling session exposure or unauthorized browser-context actions. This issue is fixed in version 6.7.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
cubecart v6 < 6.7.5 -

II. Public POCs for CVE-2026-54645

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III. Intelligence Information for CVE-2026-54645

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Patches & Fixes for CVE-2026-54645 (2)

Other References for CVE-2026-54645 (3)

Same Patch Batch · cubecart · 2026-09-17 · 7 CVEs total

CVE-2026-54646 7.2 HIGH CubeCart: SQL Identifier Injection via Backtick Bypass in maintenance.index.inc.php
CVE-2026-54647 7.2 HIGH CubeCart : SQL Injection via download_expire Parameter in settings.index.inc.php
CVE-2026-54648 6.5 MEDIUM CubeCart: Missing Authorization Check in customers.gdpr.inc.php Leads to Unauthorized Cust
CVE-2026-54644 6.1 MEDIUM CubeCart: XSS via Anchor Tag Attribute Injection in gui.class.php Message System
CVE-2026-54643 5.4 MEDIUM CubeCart: Missing Authorization Check for Order Note Deletion in orders.index.inc.php
CVE-2026-54642 5.3 MEDIUM CubeCart: CSRF Protection Missing for Download Resets and Card Deletions in orders.index.i

IV. Related Vulnerabilities

Same product: v6
Same vendor: cubecart
Same weakness: CWE-79

V. Comments for CVE-2026-54645

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