Medium severity · published Apr 28, 2023
CVE-2023-28819
Concrete CMS (previously concrete5) versions 8.5.12 and below, 9.0.0 through 9.0.2 is vulnerable to Stored XSS in uploaded file and folder names
5.4
CVSS
0.6%
EPSS
No
On KEV
Description
Concrete CMS (previously concrete5) versions 8.5.12 and below, 9.0.0 through 9.0.2 is vulnerable to Stored XSS in uploaded file and folder names.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Concrete Cms · Concretecms
before 9.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28819
Release Notes
https://github.com/concretecms/concretecms/releases
www.concretecms.org
https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release
Vendor Advisory
https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20
More from Concrete Cms
9.8
CVE-2023-48648
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows unauthorized access because directories can be created with insecure permissions
9.8
CVE-2022-21829
Concrete CMS Versions 9.0.0 through 9.0.2 and 8.5.7 and below can download zip files over HTTP and execute code from those zip files which could lead to an RCE
9.8
CVE-2021-22958
A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost…
9.8
CVE-2021-40098
An issue was discovered in Concrete CMS through 8.5.5
9.6
CVE-2026-85385
Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field