CVE-2023-28820
low-risk
Published 2023-04-28
Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.
Do I need to act?
-
0.69% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.0/10
Low
NETWORK
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (4)
Release Notes
https://github.com/concretecms/concretecms/releases
Release Notes
https://github.com/concretecms/concretecms/releases
15
/ 100
low-risk
Severity
8/34 · Low
Exploitability
2/34 · Minimal
Exposure
5/34 · Minimal