CVE-2021-21418— Potential XSS injection in the newsletter conditions field
Quick assessment
Affected
PrestaShop ps_emailsubscription
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.
Progi1984 ps_emailsubscription是 （Progi1984）开源的一个应用程序。提供一个电子邮件表格。 ps_emailsubscription 存在安全漏洞，该漏洞源于可以在newsletter条件字段中注入javascript。
Possible ATT&CK Techniques 1 AI
T1133 · External Remote Services
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I. Basic Information for CVE-2021-21418
Vulnerability Information
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Vulnerability Title
Potential XSS injection in the newsletter conditions field
Source: CVE Program / CVE List V5
Vulnerability Description
ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/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
Progi1984 ps_emailsubscription 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Progi1984 ps_emailsubscription是 （Progi1984）开源的一个应用程序。提供一个电子邮件表格。 ps_emailsubscription 存在安全漏洞，该漏洞源于可以在newsletter条件字段中注入javascript。
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_emailsubscription | < 2.6.1 | - |
|
II. Public POCs for CVE-2021-21418
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-21418 (1)
Vendor Advisories for CVE-2021-21418 (1)
Other References for CVE-2021-21418 (2)
-
https://packagist.org/packages/prestashop/ps_emailsubscription x_refsource_MISC
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V. Comments for CVE-2021-21418
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