CVE-2025-8227 yanyutao0402 ChanCMS getArticle deserialization

Medium 5.3 Published 27 Jul 2025 Updated 28 Jul 2025

Remote attackers can achieve code execution via unsafe deserialization in the getArticle endpoint of ChanCMS.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-8227?

CVE-2025-8227 is a medium-severity unsafe deserialization vulnerability in yanyutao0402 ChanCMS, published on 27 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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 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. The patch is named 33d9bb464353015aaaba84e27638ac9a3912795d. It is recommended to upgrade the affected component.

Weakness: CWE-502, CWE-20

Which versions are affected by CVE-2025-8227?

It affects 1 product.

Products include Chancms Chancms.

How do I fix CVE-2025-8227?

No fix has been published for CVE-2025-8227 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-8227 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8227 exists.

Sources

Also known as GHSA-fjrg-q598-j558.