CVE-2023-48649

Low

Published: 17 November 2023

Published

17 November 2023

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

EPSS Score 0.0126 79.8th percentile

Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-48649 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Concretecms Concrete Cms. Its CVSS base score is 3.5 (Low).

Operationally, ranked in the top 20.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

concretecms

concrete cms

≤ 8.5.13 · 9.0 — 9.2.2

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.