A vulnerability in NetCat CMS allows an attacker to execute JavaScript code in a user's browser when they visit specific paths on the site. This issue affects NetCat CMS v. 6.4.0.24126.2 and possibly others. Apply patch from vendor https://netcat.ru/ https://netcat.ru/] . Versions 6.4.0.24248 and on have the patch.
Conclusion & alert: CVE-2024-8653 is rated Low Risk (29.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.26%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.17% | 0.26% | +0.09% |
| 2 | 2026-02-08 | 0.12% | 0.17% | +0.04% |
| 3 | 2025-11-21 | — | 0.12% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netcat | netcat_content_management_system | < 6.4.0.24248 | cpe:2.3:a:netcat:netcat_content_management_system:*:*:*:*:-:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/klsecservices/Advisories/blob/master/K-NetCat-2024-003.md | Third Party Advisory |