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.
Published 2023-04-28 14:15:11
Updated 2023-05-05 13:40:45
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Exploit prediction scoring system (EPSS) score for CVE-2023-28820

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-28820

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.0
LOW CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N
0.5
1.4
MITRE
5.4
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.3
2.7
NIST

CWE ids for CVE-2023-28820

References for CVE-2023-28820

Products affected by CVE-2023-28820

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