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CVE-2020-5266— Stored XSS on back office edit page

Quick assessment

Affected
PrestaShop ps_linklist
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 ps_link 3.1.0之前版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

CVSS 4.4 · Medium EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2020-5266

Vulnerability Information
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Vulnerability Title
Stored XSS on back office edit page
Source: CVE Program / CVE List V5
Vulnerability Description
In the ps_link module for PrestaShop before version 3.1.0, there is a stored XSS when you create or edit a link list block with the title field. The problem is fixed in 3.1.0
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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
Vulnerability Title
PrestaShop ps_link 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 ps_link 3.1.0之前版本中存在跨站脚本漏洞。该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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 ps_linklist < 3.1.0 -

II. Public POCs for CVE-2020-5266

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III. Intelligence Information for CVE-2020-5266

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Patches & Fixes for CVE-2020-5266 (1)

Vendor Advisories for CVE-2020-5266 (1)

Same Patch Batch · PrestaShop · 2020-04-16 · 3 CVEs total

CVE-2020-5273 4.1 MEDIUM Stored XSS with custom URLs in PrestaShop module ps_linklist
CVE-2020-5294 4.1 MEDIUM Reflected XSS with social networks fields

IV. Related Vulnerabilities

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

V. Comments for CVE-2020-5266

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