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CVE-2021-39322— Easy Social Icons <= 3.0.8 - Reflected Cross-Site Scripting

Quick assessment

Affected
cybernetikz Easy Social Icons
Exploitation
Public or AI PoC available; prioritize validation
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 存在跨站脚本漏洞，该漏洞源于Easy Social Icons 在其主文件中呼应了 $_SERVER[PHP_SELF] 的原始值。 在包括 Apache+modPHP 在内的某些配置上，这使得它可以通过在请求路径中注入恶意代码来使用它来执行反射的跨站点脚本攻击。

CVSS 6.1 · Medium EPSS 2.35% · P83

Public Exploits 1

Nuclei · 1 CVE-2021-39322.yaml [template]
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I. Basic Information for CVE-2021-39322

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Easy Social Icons <= 3.0.8 - Reflected Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of `$_SERVER['PHP_SELF']` in its main file. On certain configurations including Apache+modPHP this makes it possible to use it to perform a reflected Cross-Site Scripting attack by injecting malicious code in the request path.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 存在跨站脚本漏洞，该漏洞源于Easy Social Icons 在其主文件中呼应了 $_SERVER[PHP_SELF] 的原始值。 在包括 Apache+modPHP 在内的某些配置上，这使得它可以通过在请求路径中注入恶意代码来使用它来执行反射的跨站点脚本攻击。
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
cybernetikz Easy Social Icons 3.0.8 ~ 3.0.8 -

II. Public POCs for CVE-2021-39322

# POC Description Source Link Shenlong Link
1 The Easy Social Icons plugin <= 3.0.8 for WordPress echoes out the raw value of `$_SERVER['PHP_SELF']` in its main file. On certain configurations including Apache+modPHP this makes it possible to use it to perform a reflected cross-site scripting attack by injecting malicious code in the request path. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-39322.yaml POC Details
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III. Intelligence Information for CVE-2021-39322

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Vendor Advisories for CVE-2021-39322 (1)

Other References for CVE-2021-39322 (1)

IV. Related Vulnerabilities

Same product: Easy Social Icons
Same vendor: cybernetikz
Same weakness: CWE-79

V. Comments for CVE-2021-39322

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