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CVE-2026-93659— Concrete CMS Community Store before 2.7.8 Stored XSS

Quick assessment

Affected
concretecms-community-store community_store
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.

Concrete CMS 社区商店（Community Store）2.7.8 之前的版本在结账视图和管理员视图中渲染客户提供的订单字段时，未进行 HTML 转义。未经身份验证的攻击者可以在账单姓名、邮箱或电话字段中存储脚本载荷，这些载荷将在已认证的经理会话中执行，从而用于创建非法账户或泄露数据。

CVSS 8.7 · High EPSS 0.47% · P38

Affected Version Matrix 2

VendorProduct Version RangeStatus
concretecms-community-store community_store < 2.7.8 affected
2.7.8 unaffected
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I. Basic Information for CVE-2026-93659

Vulnerability Information
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Vulnerability Title
Concrete CMS Community Store before 2.7.8 Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Concrete CMS Community Store before 2.7.8 renders customer-supplied order fields without HTML escaping in checkout and admin views. Unauthenticated attackers can store script payloads in billing name, email, or phone fields that execute in authenticated manager sessions to create rogue accounts or exfiltrate data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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
concretecms-community-store community_store 0 ~ 2.7.8 -

II. Public POCs for CVE-2026-93659

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III. Intelligence Information for CVE-2026-93659

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Patches & Fixes for CVE-2026-93659 (1)

Other References for CVE-2026-93659 (4)

IV. Related Vulnerabilities

Same product: community_store
Same vendor: concretecms-community-store
Same weakness: CWE-79

V. Comments for CVE-2026-93659

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