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CVE-2021-39346— Google Maps Easy <= 1.9.33 Authenticated Stored Cross-Site Scripting

Quick assessment

Affected
Google Maps Easy Google Maps Easy
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是WordPress（Wordpress）基金会的一套使用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 Google Maps Easy 存在跨站脚本漏洞，这是由于输入验证不足，并通过在~ modules标记组视图tpl mgreditmarkgroup .php文件中发现的几个参数进行清理，这允许具有管理用户访问权限的攻击者可利用该漏洞注入任意web脚本，在1.9.33及以下版本中。这将影响对管理员禁用未过滤ht

CVSS 4.8 · Medium EPSS 0.94% · P58
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I. Basic Information for CVE-2021-39346

Vulnerability Information
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Vulnerability Title
Google Maps Easy <= 1.9.33 Authenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Google Maps Easy WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/modules/marker_groups/views/tpl/mgrEditMarkerGroup.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.9.33. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
WordPress 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用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 Google Maps Easy 存在跨站脚本漏洞，这是由于输入验证不足，并通过在~ modules标记组视图tpl mgreditmarkgroup .php文件中发现的几个参数进行清理，这允许具有管理用户访问权限的攻击者可利用该漏洞注入任意web脚本，在1.9.33及以下版本中。这将影响对管理员禁用未过滤ht
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
Google Maps Easy Google Maps Easy 1.9.33 ~ 1.9.33 -

II. Public POCs for CVE-2021-39346

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III. Intelligence Information for CVE-2021-39346

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Patches & Fixes for CVE-2021-39346 (1)

Vendor Advisories for CVE-2021-39346 (1)

Other References for CVE-2021-39346 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2021-39346

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