What is CVE-2025-11903?

CVE-2025-11903 is a medium-severity vulnerability in Chancms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-10-17.

How severe is CVE-2025-11903?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SQL Injection in Chancms

CVE-2025-11903

A flaw has been found in yanyutao0402 ChanCMS up to 3.3.2. Affected by this issue is the function update of the file /cms/article/update. Executing a manipulation of the argument cid can lead to sql injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.006 (44.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Chancms
Yanyutao0402 Chancms — versions 3.3.0, 3.3.1, 3.3.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (related, Exploit, Third Party Advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit, patch)

Frequently asked questions

What is CVE-2025-11903?: CVE-2025-11903 is a medium-severity vulnerability in Chancms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-10-17.
How severe is CVE-2025-11903?: Medium severity. CVSS v3 base score is 6.3 out of 10.