CVE-2025-11973 is a vulnerability classified under CWE-73 (External Control of File Name or Path) affecting the 简数采集器 plugin for WordPress, specifically versions up to and including 2.6.3. The flaw arises from improper validation of file path inputs in the __kds_flag functionality, which is responsible for importing featured images into WordPress posts. Authenticated users with administrator or higher privileges can exploit this vulnerability to read arbitrary files on the hosting server by manipulating the file path parameter. This arbitrary file read capability can expose sensitive server-side information such as configuration files, credentials, or other private data stored on the server. The vulnerability does not allow modification or deletion of files, nor does it cause denial of service, but it compromises confidentiality. The CVSS 3.1 base score is 4.9 (medium severity), reflecting that the attack vector is network-based, requires low attack complexity, but demands high privileges (administrator access), and no user interaction is needed. The scope remains unchanged as the vulnerability affects only the vulnerable plugin instance. No public exploits have been reported yet, but the presence of administrator-level access makes this a significant risk if combined with other attack vectors that could escalate privileges.

The primary impact of CVE-2025-11973 is the unauthorized disclosure of sensitive information stored on the web server hosting the vulnerable WordPress plugin. Attackers with administrator access can read arbitrary files, potentially exposing database credentials, API keys, private configuration files, or other sensitive data that could facilitate further attacks such as privilege escalation, lateral movement, or data exfiltration. Organizations relying on the 简数采集器 plugin for content management risk confidentiality breaches that could lead to regulatory non-compliance, reputational damage, and financial loss. Although exploitation requires administrator privileges, compromised or malicious insiders, or attackers who have gained admin access through other means, can leverage this vulnerability to deepen their foothold. The vulnerability does not affect system availability or integrity directly but can be a stepping stone for more severe attacks.

To mitigate CVE-2025-11973, organizations should immediately upgrade the 简数采集器 plugin to a patched version once available from the vendor. Until a patch is released, restrict administrator access strictly to trusted personnel and implement strong authentication controls such as multi-factor authentication (MFA) to reduce the risk of credential compromise. Conduct regular audits of administrator accounts and monitor for unusual file access patterns on the server. Employ web application firewalls (WAFs) with custom rules to detect and block suspicious requests targeting the __kds_flag parameter. Additionally, implement the principle of least privilege by limiting plugin usage and disabling unnecessary features that handle file imports. Regularly back up critical data and ensure server file permissions are correctly configured to minimize exposure. Finally, consider isolating WordPress instances in segmented environments to contain potential breaches.