yanyutao0402 ChanCMS up to 3.1.2 /collect/getArticle taskUrl deserialization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3$0-$5k0.11

Summaryinfo

A vulnerability, which was classified as critical, has been found in yanyutao0402 ChanCMS up to 3.1.2. This vulnerability affects unknown code of the file /collect/getArticle. This manipulation of the argument taskUrl causes deserialization. This vulnerability is registered as CVE-2025-8227. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in yanyutao0402 ChanCMS up to 3.1.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /collect/getArticle. The manipulation of the argument taskUrl 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.

It is possible to read the advisory at gitee.com. This vulnerability is known as CVE-2025-8227. 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. Applying the patch 33d9bb464353015aaaba84e27638ac9a3912795d is able to eliminate this problem. The bugfix is ready for download at gitee.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-22816). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

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: 7.5
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ChanCMS 3.1.3
Patch: 33d9bb464353015aaaba84e27638ac9a3912795d

Timelineinfo

07/26/2025 Advisory disclosed
07/26/2025 +0 days VulDB entry created
08/02/2025 +6 days VulDB entry last update

Sourcesinfo

Product: gitee.com

Advisory: ICLP81
Status: Confirmed

CVE: CVE-2025-8227 (🔒)
GCVE (CVE): GCVE-0-2025-8227
GCVE (VulDB): GCVE-100-317815
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/26/2025 15:10
Updated: 08/02/2025 01:34
Changes: 07/26/2025 15:10 (61), 07/27/2025 15:39 (30), 07/27/2025 20:35 (1), 07/28/2025 23:19 (1), 08/02/2025 01:34 (11)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216:465:103

Submitinfo

Accepted

  • Submit #622169: yanyutao0402 https://gitee.com/yanyutao0402/ChanCMS <3.1.3 Remote Code Execution (by ZAST.AI)

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!