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CVE-2021-4448— Kaswara Modern VC Addons <= 3.0.1 - Missing Authorization

Quick assessment

Affected
SayenThemes Kaswara Modern VC Addons
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 Kaswara Modern VC Addons 3.0.1版本及之前版本存在安全漏洞，该漏洞源于包含一个授权绕过问题。

CVSS 7.3 · High EPSS 1.38% · P71

Public Exploits 1

Nuclei · 1 CVE-2021-4448.yaml [template]
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I. Basic Information for CVE-2021-4448

Vulnerability Information
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Vulnerability Title
Kaswara Modern VC Addons <= 3.0.1 - Missing Authorization
Source: CVE Program / CVE List V5
Vulnerability Description
The Kaswara Modern VC Addons plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.0.1 due to insufficient capability checking on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of unauthorized actions such as importing data, uploading arbitrary files, deleting arbitrary files, and more.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Kaswara Modern VC Addons 安全漏洞
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 Kaswara Modern VC Addons 3.0.1版本及之前版本存在安全漏洞，该漏洞源于包含一个授权绕过问题。
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
SayenThemes Kaswara Modern VC Addons * ~ 3.0.1 -

II. Public POCs for CVE-2021-4448

# POC Description Source Link Shenlong Link
1 The Kaswara Modern VC Addons plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.0.1 due to insufficient capability checking on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of unauthorized actions such as importing data, uploading arbitrary files, deleting arbitrary files, and more. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4448.yaml POC Details
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III. Intelligence Information for CVE-2021-4448

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Vendor Advisories for CVE-2021-4448 (1)

Other References for CVE-2021-4448 (1)

IV. Related Vulnerabilities

Same product: Kaswara Modern VC Addons
Same vendor: SayenThemes
Same weakness: CWE-862

V. Comments for CVE-2021-4448

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