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CVE-2020-36711— Avada <= 6.2.2 - Authenticated (Contributor+) Cross-Site Scripting

Quick assessment

Affected
ThemeFusion Avada | Website Builder For WordPress & WooCommerce
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 theme是WordPress的一款主题。 WordPress theme Avada 6.2.3版本及之前版本存在跨站脚本漏洞，该漏洞源于不充分的输入清理和输出转义，通过 update_layout 函数容易受到存储跨站点脚本的攻击。

CVSS 6.4 · Medium EPSS 0.65% · P49
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I. Basic Information for CVE-2020-36711

Vulnerability Information
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Vulnerability Title
Avada <= 6.2.2 - Authenticated (Contributor+) Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Avada theme for WordPress is vulnerable to Stored Cross-Site Scripting via the update_layout function in versions up to, and including, 6.2.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers, and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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 theme Avada 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 theme是WordPress的一款主题。 WordPress theme Avada 6.2.3版本及之前版本存在跨站脚本漏洞，该漏洞源于不充分的输入清理和输出转义，通过 update_layout 函数容易受到存储跨站点脚本的攻击。
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
- Avada | Website Builder For WordPress & WooCommerce * ~ 6.2.3 -

II. Public POCs for CVE-2020-36711

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III. Intelligence Information for CVE-2020-36711

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Vendor Advisories for CVE-2020-36711 (1)

Security Blog Posts for CVE-2020-36711 (1)

Other References for CVE-2020-36711 (1)

IV. Related Vulnerabilities

Same product: Avada | Website Builder For WordPress & WooCommerce
Same vendor: ThemeFusion
Same weakness: CWE-79

V. Comments for CVE-2020-36711

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