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Status published
Low
CVE-2023-28820
Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from n/a
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Affected Vendor
Affected Software
Unknown
Vulnerable Versions:
Unknown
Timeline
Official Publish:
April 28th, 2023
Last Modified:
January 31st, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:H/S:U/UI:R
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.