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CVE-2026-44212— PrestaShop: Stored XSS executable in customer service view

Quick assessment

Affected
PrestaShop PrestaShop
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.

PrestaShop是美国PrestaShop公司的一套开源的电子商务解决方案。该方案提供多种支付方式、短消息提醒和商品图片缩放等功能。 PrestaShop 8.2.6之前版本和9.1.1之前版本存在跨站脚本漏洞，该漏洞源于后台客户服务视图存在存储型跨站脚本漏洞，未经身份验证的攻击者可通过公共联系表单提交恶意电子邮件地址，有效载荷存储在数据库中，当后台员工打开受影响的客户线程时执行，导致会话劫持和完全后台接管。

CVSS 9.3 · Critical EPSS 0.42% · P34

Affected Version Matrix 2

VendorProduct Version RangeStatus
PrestaShop PrestaShop < 8.2.6 affected
>= 9.0.0-alpha.1, < 9.1.1 affected
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I. Basic Information for CVE-2026-44212

Vulnerability Information
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Vulnerability Title
PrestaShop: Stored XSS executable in customer service view
Source: CVE Program / CVE List V5
Vulnerability Description
PrestaShop is an open source e-commerce web application. Prior to 8.2.6 and 9.1.1, there is a stored Cross-Site Scripting (XSS) vulnerability in the PrestaShop back-office Customer Service view. An unauthenticated attacker can submit the public Contact Us form with a malicious email address. The payload is stored in the database and executed when a back-office employee opens the affected customer thread, enabling session hijacking and full back-office takeover. This vulnerability is fixed in 8.2.6 and 9.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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
Vulnerability Title
PrestaShop 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PrestaShop是美国PrestaShop公司的一套开源的电子商务解决方案。该方案提供多种支付方式、短消息提醒和商品图片缩放等功能。 PrestaShop 8.2.6之前版本和9.1.1之前版本存在跨站脚本漏洞，该漏洞源于后台客户服务视图存在存储型跨站脚本漏洞，未经身份验证的攻击者可通过公共联系表单提交恶意电子邮件地址，有效载荷存储在数据库中，当后台员工打开受影响的客户线程时执行，导致会话劫持和完全后台接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
PrestaShop PrestaShop < 8.2.6 -

II. Public POCs for CVE-2026-44212

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III. Intelligence Information for CVE-2026-44212

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Vendor Advisories for CVE-2026-44212 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-44212

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