Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-44763

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.

Published

2023-10-10T12:15:09.870

Last Modified

2024-11-21T08:26:01.097

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

Weaknesses

Type: Primary
CWE-434

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	concretecms	concrete_cms	9.2.1	Yes

References

https://github.com/sromanhu/ConcreteCMS-Arbitrary-file-upload-Thumbnail Exploit, Third Party Advisory ([email protected])
https://web.archive.org/web/20231026034159/https://documentation.concretecms.org/user-guide/editors-reference/dashboard/system-and-maintenance/files/allowed-file-types ([email protected])
https://www.concretecms.org/about/project-news/security/security-advisory-2023-10-25-concrete-cms-rejects-cve-2023-44763 ([email protected])
https://github.com/sromanhu/ConcreteCMS-Arbitrary-file-upload-Thumbnail Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://web.archive.org/web/20231026034159/https://documentation.concretecms.org/user-guide/editors-reference/dashboard/system-and-maintenance/files/allowed-file-types (af854a3a-2127-422b-91ae-364da2661108)
https://www.concretecms.org/about/project-news/security/security-advisory-2023-10-25-concrete-cms-rejects-cve-2023-44763 (af854a3a-2127-422b-91ae-364da2661108)