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CVE-2025-8266— yanyutao0402 ChanCMS collect.js getArticle deserialization

Quick assessment

Affected
yanyutao0402 ChanCMS
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.

ChanCMS是中国yanyutao0402个人开发者的一个内容管理系统。 ChanCMS 3.1.2及之前版本存在代码问题漏洞，该漏洞源于文件app/modules/cms/controller/collect.js中函数getArticle对参数targetUrl的操作导致反序列化。

CVSS 6.3 · Medium EPSS 0.99% · P60

Public Exploits 1

Nuclei · 1 CVE-2025-8266.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-8266

Vulnerability Information
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Vulnerability Title
yanyutao0402 ChanCMS collect.js getArticle deserialization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in yanyutao0402 ChanCMS up to 3.1.2 and classified as critical. Affected by this vulnerability is the function getArticle of the file app/modules/cms/controller/collect.js. The manipulation of the argument targetUrl leads to deserialization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.3 is able to address this issue. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
ChanCMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ChanCMS是中国yanyutao0402个人开发者的一个内容管理系统。 ChanCMS 3.1.2及之前版本存在代码问题漏洞，该漏洞源于文件app/modules/cms/controller/collect.js中函数getArticle对参数targetUrl的操作导致反序列化。
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
yanyutao0402 ChanCMS 3.1.0 -

II. Public POCs for CVE-2025-8266

# POC Description Source Link Shenlong Link
1 yanyutao0402 ChanCMS <= 3.1.2 contains an insecure deserialization caused by manipulation of the \"targetUrl\" argument in getArticle function of app/modules/cms/controller/collect.js, letting remote attackers execute arbitrary code, exploit requires crafted input. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-8266.yaml POC Details
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III. Intelligence Information for CVE-2025-8266

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IV. Related Vulnerabilities

Same product: ChanCMS
Same vendor: yanyutao0402
Same weakness: CWE-502

V. Comments for CVE-2025-8266

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