CVSS 3.1 Score 3.5 of 10 (low)


Published Nov 17, 2023
Updated: Nov 22, 2023


CVE-2023-48649, a vulnerability categorized as CWE-79 (Improper Neutralization of Input During Web Page Generation - Cross-site Scripting), affects Concrete CMS versions prior to 8.5.13 and 9.x before 9.2.2. The vulnerability allows for stored cross-site scripting (XSS) attacks on the Admin page through a malicious file name uploaded to the CMS. The risk score for this vulnerability is 25 out of 100, with a base severity rating of LOW. The exploitability score is 2.1 out of 10, indicating a relatively low level of difficulty for exploitation. It requires low privileges and user interaction is required for successful exploitation. The potential danger to an organization includes the possibility of unauthorized access, manipulation, or theft of sensitive information as a result of XSS attacks. To remediate this vulnerability, users should update their Concrete CMS installations to version 8.5.13 or 9.x version 9.2.2 to mitigate the risk associated with this issue.

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