CVE-2023-28820

Description

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.

Category

2.0
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.50%
Vendor Advisory concretecms.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/concretecms/concretecms/releases release notes
https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-28820?
CVE-2023-28820 has been scored as a low severity vulnerability.
How to fix CVE-2023-28820?
To fix CVE-2023-28820, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28820 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28820 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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