CVSS 3.1 Score 5.4 of 10 (medium)


Published Oct 10, 2023
Updated: Apr 11, 2024
CWE ID 434


CVE-2023-44763 is an Arbitrary File Upload vulnerability in Concrete CMS v9.2.1 via a Thumbnail file upload, leading to Cross-Site Scripting (XSS). This vulnerability affects the ttJhc- product. The vendor's position is that customers are expected to exclude "pdf" from the allowed file types, even though it is included by default. The risk score for this vulnerability is 25, with a base severity of MEDIUM and a base score of 5.4. The exploitability score is 2.3, with low privileges required and user interaction being necessary. The attack vector is through the network, and the impact on integrity and confidentiality is low. No availability impact has been identified.

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