SQL Injection Vulnerability in ChanCMS by yanyutao0402
CVE-2025-11903

5.3MEDIUM

Key Information:

Vendor

Yanyutao0402

Status
Chancms
Vendor
CVE Published:
17 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11903?

A vulnerability exists in ChanCMS versions up to 3.3.2, specifically within the update function of the /cms/article/update endpoint. This flaw allows an attacker to manipulate the 'cid' argument, potentially leading to SQL injection attacks. The exploit can be executed remotely, posing a significant risk to affected systems. Despite early disclosure attempts, the vendor did not provide any response, leaving users vulnerable. Security measures should be taken immediately to mitigate risks associated with this vulnerability.

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Deploy the Patch

Affected Version(s)

ChanCMS 3.3.0

ChanCMS 3.3.1

ChanCMS 3.3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-11903 - Proof of Concept

References

https://vuldb.com/?id.328913
vdb-entrytechnical-description
https://vuldb.com/?ctiid.328913
signaturepermissions-required
https://vuldb.com/?submit.670271
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Narcher (VulDB User)
JSON
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