CVSS 3.1 Score 7.3 of 10 (high)


Published Jul 27, 2023
Updated: Aug 3, 2023
CWE ID 613


CVE-2023-38489 is a vulnerability that affects all Kirby sites with user accounts. The vulnerability exists in versions prior to,,,, and 3.9.6 of the Kirby content management system (CMS). It can be exploited if a Kirby user is logged in on a device or browser shared with potentially untrusted users or if an attacker has maliciously used a previous password to log in as the affected user. The vulnerability is related to insufficient session expiration, allowing attackers to remain logged in even after the user has changed their password. To remediate this vulnerability, it is recommended to update Kirby CMS to one of the patched versions mentioned above (,,, 3.8.4. 1, and 3 .9 .6). This vulnerability poses a high danger to organizations as it could allow unauthorized access and compromise the confidentiality and integrity of sensitive information stored in affected Kirby sites with user accounts.


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