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 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. It is recommended to upgrade the affected component.
yanyutao0402 ChanCMS References: https://nvd.nist.gov/vuln/detail/CVE-2025-8266 https://github.com/advisories/GHSA-pg2f-hfwm-m7g5 https://avd.aliyun.com/detail?id=AVD-2025-8266 https://dbugs.ptsecurity.com/vulnerability/PT-2025-31058 Remediation: Upgrade to version 3.1.3.
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