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01 Record

CVE-2023-28477

Concrete CMS (previously concrete5) versions 8.5.12 and below, and 9.0 through 9.1.3 is vulnerable to stored XSS on API Integrations via the name parameter.

MediumPUBLISHEDCNA: mitre
CNA base score5.5 CVSS v3.xCVSS:3.1/AC:L/AV:N/A:N/C:H/I:L/PR:H/S:U/UI:N

02 Description

Concrete CMS (previously concrete5) versions 8.5.12 and below, and 9.0 through 9.1.3 is vulnerable to stored XSS on API Integrations via the name parameter.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.58% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 47.7% of scored records. A rank, not a probability.
NVD base score
5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-04-28 00:00Z3 YR AGO
Last updated
2024-08-02 12:38Z2 YR AGO
Reserved
2023-03-15
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 5.5)
CNA CVSS vector
CVSS:3.1/AC:L/AV:N/A:N/C:H/I:L/PR:H/S:U/UI:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
6b936871899d51bac41d30d3b7bbbeda051d3f1dc5265e338c6eb942c7d405b6

05 Affected products

VendorProductVersionsPlatforms
concretecmsconcrete_cmsNot specified—

06 References