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CVE-2026-120205— Thelia before 3.1.0 Stored XSS via Coupon Condition Customer Name

Quick assessment

Affected
Thelia Thelia
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.

在 3.1.0 版本之前的 Thelia 中， 函数存在存储型跨站脚本（XSS）漏洞。该漏洞允许未认证的攻击者通过未转义的顾客名称注入恶意脚本。攻击者可以注册一个包含脚本载荷的名称，当管理员查看相关优惠券时，该脚本便会执行，从而窃取 CSRF 令牌并创建管理员账户。

CVSS 8.0 · High

Affected Version Matrix 2

VendorProduct Version RangeStatus
Thelia Thelia < 3.1.0 affected
Thelia Thelia Core < 3.1.0 affected
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I. Basic Information for CVE-2026-120205

Vulnerability Information
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Vulnerability Title
Thelia before 3.1.0 Stored XSS via Coupon Condition Customer Name
Source: CVE Program / CVE List V5
Vulnerability Description
Thelia before 3.1.0 contains a stored cross-site scripting vulnerability in ForSomeCustomers::getSummary() that allows unauthenticated attackers to inject scripts via unescaped customer names. Attackers can register with a script payload as their name that executes when administrators view related coupons, stealing CSRF tokens to create administrator accounts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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
Thelia Thelia 0 ~ 3.1.0 -
Thelia Thelia Core 0 ~ 3.1.0 -

II. Public POCs for CVE-2026-120205

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III. Intelligence Information for CVE-2026-120205

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Other References for CVE-2026-120205 (5)

Same Patch Batch · Thelia · 2026-10-31 · 3 CVEs total

CVE-2026-120207 7.1 HIGH Thelia Page Module before 2.0.4 CSRF via Page Tag, Document and Image Delete Routes
CVE-2026-120206 5.9 MEDIUM Thelia before 3.2.0 Back-Office CSRF via URL Token and Unprotected Actions

IV. Related Vulnerabilities

Same product: Thelia
Same vendor: Thelia
Same weakness: CWE-79