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CVE-2021-24284— Kaswara Modern VC Addons <= 3.0.1 - Unauthenticated Arbitrary File Upload

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。 Kaswara Modern VC Addons WordPress plugin 3.0.1版本及之前版本存在代码问题漏洞，该漏洞允许未经验证的任意文件通过uploadFontIconAJAX动作上传。在wp-content中解压缩的zipfile上载kaswara fonts icon目录，没有检查P

AI Predicted 9.8 Difficulty: Easy EPSS 42.14% · P99

Public Exploits 1

Nuclei · 1 CVE-2021-24284.yaml [template]

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2021-24284

Vulnerability Information
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Vulnerability Title
Kaswara Modern VC Addons <= 3.0.1 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin 代码问题漏洞
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。 Kaswara Modern VC Addons WordPress plugin 3.0.1版本及之前版本存在代码问题漏洞，该漏洞允许未经验证的任意文件通过uploadFontIconAJAX动作上传。在wp-content中解压缩的zipfile上载kaswara fonts icon目录，没有检查P
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
SayenThemes Kaswara Modern VC Addons 3.0.1 ~ 3.0.1 -

II. Public POCs for CVE-2021-24284

# POC Description Source Link Shenlong Link
1 WordPress Kaswara Modern VC Addons plugin through 3.0.1 is susceptible to an arbitrary file upload. The plugin allows unauthenticated arbitrary file upload via the uploadFontIcon AJAX action, which can be used to obtain code execution. The supplied zipfile is unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24284.yaml POC Details
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III. Intelligence Information for CVE-2021-24284

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Vendor Advisories for CVE-2021-24284 (1)

Other References for CVE-2021-24284 (1)

IV. Related Vulnerabilities

Same product: Kaswara Modern VC Addons
Same vendor: SayenThemes
Same weakness: CWE-434

V. Comments for CVE-2021-24284

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