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CVE-2021-4244— yikes-inc-easy-mailchimp-extender Plugin add_field_to_form.php cross site scripting

Quick assessment

Affected
unspecified yikes-inc-easy-mailchimp-extender Plugin
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.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Easy Forms for MailChimp 6.8.5之前版本存在安全漏洞，该漏洞源于对参数field_name/merge_tag/field_type/list_id 的错误操作会导致跨站点脚本。

CVSS 2.6 · Low EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-4244

Vulnerability Information
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Vulnerability Title
yikes-inc-easy-mailchimp-extender Plugin add_field_to_form.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as problematic has been found in yikes-inc-easy-mailchimp-extender Plugin up to 6.8.5. This affects an unknown part of the file admin/partials/ajax/add_field_to_form.php. The manipulation of the argument field_name/merge_tag/field_type/list_id leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 6.8.6 is able to address this issue. The name of the patch is 3662c6593aa1bb4286781214891d26de2e947695. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-215307.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对消息或数据结构的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Easy Forms for MailChimp 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Easy Forms for MailChimp 6.8.5之前版本存在安全漏洞，该漏洞源于对参数field_name/merge_tag/field_type/list_id 的错误操作会导致跨站点脚本。
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
unspecified yikes-inc-easy-mailchimp-extender Plugin 6.8.0 -

II. Public POCs for CVE-2021-4244

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III. Intelligence Information for CVE-2021-4244

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Patches & Fixes for CVE-2021-4244 (2)

Vendor Advisories for CVE-2021-4244 (1)

Other References for CVE-2021-4244 (1)

IV. Related Vulnerabilities

Same vendor: unspecified
Same weakness: CWE-707

V. Comments for CVE-2021-4244

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