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CVE-2021-4449— ZoomSounds <= 5.96 - Unauthenticated Arbitrary File Upload

Quick assessment

Affected
ZoomIt ZoomSounds - WordPress Wave Audio Player with Playlist
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 ZoomSounds 5.96版本及之前版本存在代码问题漏洞，该漏洞源于缺少 savepng.php 文件中的文件类型验证，导致容易受到任意文件上传攻击。

CVSS 9.8 · Critical EPSS 5.39% · P92

Public Exploits 1

Nuclei · 1 CVE-2021-4449.yaml [template]
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I. Basic Information for CVE-2021-4449

Vulnerability Information
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Vulnerability Title
ZoomSounds <= 5.96 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The ZoomSounds plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'savepng.php' file in versions up to, and including, 5.96. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. CVE-2021-4457 is a duplicate of this.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 ZoomSounds 代码问题漏洞
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 ZoomSounds 5.96版本及之前版本存在代码问题漏洞，该漏洞源于缺少 savepng.php 文件中的文件类型验证，导致容易受到任意文件上传攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ZoomIt ZoomSounds - WordPress Wave Audio Player with Playlist * ~ 5.96 -

II. Public POCs for CVE-2021-4449

# POC Description Source Link Shenlong Link
1 ZoomSounds plugin for WordPress contains a file upload vulnerability in savepng.php https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2021-4449.yaml POC Details
2 ZoomSounds plugin for WordPress contains a file upload vulnerability in savepng.php https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4449.yaml POC Details
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Qwen3.6-35B-A3B · 7664 chars
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III. Intelligence Information for CVE-2021-4449

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Vendor Advisories for CVE-2021-4449 (1)

Security Blog Posts for CVE-2021-4449 (1)

Vendor Pages for CVE-2021-4449 (1)

Other References for CVE-2021-4449 (2)

IV. Related Vulnerabilities

Same product: ZoomSounds - WordPress Wave Audio Player with Playlist
Same vendor: ZoomIt
Same weakness: CWE-434

V. Comments for CVE-2021-4449

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