WebBoss.io CMS before v3.7.0.1 was discovered to contain a reflected cross-site scripting (XSS) vulnerability.
Conclusion & alert: CVE-2023-37742 is rated Low Risk (35.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.40%). 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 | 0.63% | 0.40% | -0.23% |
| 2 | 2026-04-15 | 0.51% | 0.63% | +0.13% |
| 3 | 2025-11-21 | — | 0.51% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| webboss | webboss.io_cms | < 3.7.0.1 | cpe:2.3:a:webboss:webboss.io_cms:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://webboss.feedbear.com/updates | Release Notes |
| https://webboss.io/page/bughunter-acknowledgments.html | Vendor Advisory |
| https://www.realinfosec.net/advisories/WEBBOSS-XSS-2022-0xd3fcf.html | Third Party Advisory |