yanyutao0402 ChanCMS up to 3.1.2 collect.js getArticle targetUrl deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in yanyutao0402 ChanCMS up to 3.1.2. Affected by this issue is the function getArticle of the file app/modules/cms/controller/collect.js. This manipulation of the argument targetUrl causes deserialization. This vulnerability is tracked as CVE-2025-8266. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

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 with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at gitee.com. This vulnerability is known as CVE-2025-8266. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at gitee.com. It is declared as proof-of-concept.

Upgrading to version 3.1.3 eliminates this vulnerability. The upgrade is hosted for download at gitee.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ChanCMS 3.1.3

Timelineinfo

07/27/2025 Advisory disclosed
07/27/2025 +0 days VulDB entry created
08/27/2025 +31 days VulDB entry last update

Sourcesinfo

Product: gitee.com

Advisory: ICLP61
Status: Confirmed

CVE: CVE-2025-8266 (🔒)
GCVE (CVE): GCVE-0-2025-8266
GCVE (VulDB): GCVE-100-317857
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/27/2025 11:50
Updated: 08/27/2025 22:11
Changes: 07/27/2025 11:50 (60), 07/28/2025 21:11 (30), 08/27/2025 22:11 (1)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216:558:103

Submitinfo

Accepted

  • Submit #622170: yanyutao0402 https://gitee.com/yanyutao0402/ChanCMS <3.1.3 Remote Code Execution (by ZAST.AI)

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