CVE-2024-37791 identifies a SQL injection vulnerability in DuxCMS3 version 3.1.3, a content management system. The flaw exists in the handling of the keyword parameter at the endpoint /article/Content/index?class_id, where insufficient input sanitization allows an attacker to inject malicious SQL code. This vulnerability is classified under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command). The CVSS 3.1 vector indicates the attack can be performed remotely over the network (AV:N) with low attack complexity (AC:L), but requires high privileges (PR:H) and no user interaction (UI:N). The impact on confidentiality is high, as attackers can potentially extract sensitive database information. Integrity impact is low, meaning attackers might alter some data but with limited scope, and availability impact is also low, indicating limited disruption to service. No public exploits have been reported, and no official patches have been released at the time of publication. The vulnerability requires authenticated access with elevated privileges, limiting the attack surface to trusted users or compromised accounts. This flaw could be leveraged for data exfiltration or partial data manipulation within affected CMS installations.

The vulnerability poses a significant risk to organizations using DuxCMS3 version 3.1.3, especially those hosting sensitive or confidential data. Successful exploitation could lead to unauthorized disclosure of sensitive information stored in the backend database, including user data, content, or configuration details. Although the integrity and availability impacts are lower, attackers could still alter some data or cause minor service disruptions, potentially undermining trust in the affected web platform. The requirement for high privileges reduces the likelihood of external attackers exploiting this flaw directly but raises concerns about insider threats or compromised privileged accounts. Organizations relying on DuxCMS3 for critical web content management may face reputational damage, regulatory compliance issues, and operational challenges if this vulnerability is exploited. The absence of known exploits in the wild currently limits immediate widespread impact but does not preclude future exploitation attempts.

Organizations should immediately audit and restrict access to DuxCMS3 administrative interfaces to trusted personnel only, enforcing strong authentication and monitoring for unusual activity. Input validation and parameter sanitization should be reviewed and enhanced, particularly for the keyword parameter at the vulnerable endpoint. Until an official patch is released, consider implementing web application firewall (WAF) rules to detect and block SQL injection patterns targeting this parameter. Regularly monitor logs for suspicious SQL queries or error messages indicative of injection attempts. Conduct internal penetration testing focusing on authenticated user roles to identify potential exploitation paths. If feasible, isolate or limit the database permissions associated with the CMS to minimize the impact of any injection. Stay informed on vendor advisories for patches or updates addressing this vulnerability and apply them promptly once available. Additionally, educate privileged users about the risks of credential compromise and enforce multi-factor authentication to reduce the risk of unauthorized access.