In short
- CVE-2023-44763 is a MEDIUM (CVSS 5.4) vulnerability affecting concrete5/concrete5, concrete cms (concretecms).
- Chance of exploitation in the next 30 days (EPSS): 0.71%, higher than 53.7% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
Description
Concrete CMS v9.2.1 is affected by Arbitrary File Upload vulnerability via the Thumbnail file upload, which allows Cross-Site Scripting (XSS).
NVD description
Concrete CMS v9.2.1 is affected by an Arbitrary File Upload vulnerability via a Thumbnail file upload, which allows Cross-Site Scripting (XSS). NOTE: the vendor's position is that a customer is supposed to know that "pdf" should be excluded from the allowed file types, even though pdf is one of the allowed file types in the default configuration.
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