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CVE-2025-3123— WonderCMS Theme Installation/Plugin Installation installUpdateModuleAction unrestricted upload

Quick assessment

Affected
n/a WonderCMS
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.

WonderCMS是WonderCMS公司的一套基于PHP的开源内容管理系统（CMS）。 WonderCMS 3.5.0版本存在代码问题漏洞，该漏洞源于Theme Installation/Plugin Installation组件存在无限制上传问题。

CVSS 4.7 · Medium EPSS 0.54% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-3123

Vulnerability Information
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Vulnerability Title
WonderCMS Theme Installation/Plugin Installation installUpdateModuleAction unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in WonderCMS 3.5.0. Affected by this issue is the function installUpdateModuleAction of the component Theme Installation/Plugin Installation. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor explains, that "[t]he philosophy has always been, admin [...] bear responsibility to not install themes/plugins from untrusted sources."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
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
WonderCMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WonderCMS是WonderCMS公司的一套基于PHP的开源内容管理系统（CMS）。 WonderCMS 3.5.0版本存在代码问题漏洞，该漏洞源于Theme Installation/Plugin Installation组件存在无限制上传问题。
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
- WonderCMS 3.5.0 -

II. Public POCs for CVE-2025-3123

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III. Intelligence Information for CVE-2025-3123

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Proof of Concept for CVE-2025-3123 (1)

Security Blog Posts for CVE-2025-3123 (1)

News Coverage for CVE-2025-3123 (1)

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IV. Related Vulnerabilities

Same product: WonderCMS
Same vendor: n/a
Same weakness: CWE-434

V. Comments for CVE-2025-3123

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