CVE-2024-22592 is a high-severity Cross-Site Request Forgery (CSRF) vulnerability affecting FlyCms version 1.0. The vulnerability exists in the endpoint /system/user/group_update, which likely handles user group management functions. CSRF vulnerabilities allow an attacker to trick an authenticated user into submitting a forged request to the vulnerable web application, causing unintended actions without the user's consent. In this case, the attacker could potentially manipulate user group settings, which may lead to unauthorized privilege escalation or modification of user roles. The CVSS 3.1 base score is 8.8, indicating a high impact on confidentiality, integrity, and availability. The vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H shows that the attack can be performed remotely over the network without privileges but requires user interaction (UI:R). The vulnerability affects confidentiality, integrity, and availability at a high level, meaning an attacker could gain access to sensitive information, alter critical data, or disrupt service. No patches or known exploits in the wild are currently reported, which suggests that the vulnerability is newly disclosed and may not yet be actively exploited. The CWE-352 classification confirms this is a CSRF issue, which typically arises from missing or inadequate anti-CSRF tokens or protections in web forms or APIs. Given the lack of vendor or product details beyond FlyCms v1.0, it is assumed this is a niche or less widely known content management system or web platform.

For European organizations using FlyCms v1.0, this vulnerability poses a significant risk. Successful exploitation could allow attackers to alter user group permissions, potentially granting themselves or others elevated privileges. This could lead to unauthorized access to sensitive data, disruption of user management, and broader compromise of the affected system. Organizations in sectors with strict data protection regulations such as GDPR (e.g., finance, healthcare, government) could face compliance violations and reputational damage if exploited. The remote nature of the attack and lack of required privileges make it easier for attackers to target exposed FlyCms installations. The requirement for user interaction means phishing or social engineering could be used to trick legitimate users into triggering the attack. Since FlyCms is not a widely known product, the impact is likely limited to organizations that specifically deploy this CMS, but those organizations could face severe operational and security consequences.

1. Immediately implement CSRF protections on the /system/user/group_update endpoint by adding anti-CSRF tokens that are validated on the server side for all state-changing requests. 2. Enforce strict same-site cookie policies (e.g., SameSite=Lax or Strict) to reduce the risk of CSRF attacks. 3. Require re-authentication or multi-factor authentication (MFA) for sensitive operations such as user group updates to add an additional security layer. 4. Monitor web server logs for unusual POST requests to the vulnerable endpoint, especially those originating from external referrers or suspicious user agents. 5. Educate users about phishing and social engineering risks to reduce the likelihood of user interaction leading to exploitation. 6. If possible, isolate or restrict access to the FlyCms administrative interface to trusted IP addresses or VPNs. 7. Engage with the FlyCms vendor or community to obtain or request an official patch or update addressing this vulnerability. 8. Conduct regular security assessments and penetration testing focused on CSRF and other web vulnerabilities in FlyCms deployments.