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CVE-2021-34668— WordPress Real Media Library <= 4.14.1 Author-only Stored Cross-Site Scripting

Quick assessment

Affected
devowl.io WordPress Real Media Library
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 插件是WordPress开源的一个应用插件。 WordPress Plugin WordPress Real Media Library 中存在跨站脚本漏洞，该漏洞源于产品 /inc/overrides/lite/rest/Folder.php 文件中的name参数缺少对客户端数据的正确验证。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：

CVSS 6.4 · Medium EPSS 0.56% · P44
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I. Basic Information for CVE-2021-34668

Vulnerability Information
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Vulnerability Title
WordPress Real Media Library <= 4.14.1 Author-only Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The WordPress Real Media Library WordPress plugin is vulnerable to Stored Cross-Site Scripting via the name parameter in the ~/inc/overrides/lite/rest/Folder.php file which allows author-level attackers to inject arbitrary web scripts in folder names, in versions up to and including 4.14.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 插件跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是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 插件是WordPress开源的一个应用插件。 WordPress Plugin WordPress Real Media Library 中存在跨站脚本漏洞，该漏洞源于产品 /inc/overrides/lite/rest/Folder.php 文件中的name参数缺少对客户端数据的正确验证。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：
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
devowl.io WordPress Real Media Library 4.14.1 ~ 4.14.1 -

II. Public POCs for CVE-2021-34668

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III. Intelligence Information for CVE-2021-34668

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Vendor Advisories for CVE-2021-34668 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2021-34668

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