An issue was discovered in eGroupWare 17.1.20190111. A cross-site scripting Reflected (XSS) vulnerability exists in calendar/freebusy.php, which allows unauthenticated remote attackers to inject arbitrary web script or HTML into the "user" HTTP/GET parameter, which reflects its input without sanitization.
Conclusion & alert: CVE-2023-38329 is rated Low Risk (35.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.13%). 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 | 2026-05-07 | 0.03% | 0.13% | +0.10% |
| 2 | 2025-12-07 | 0.06% | 0.03% | -0.03% |
| 3 | 2025-09-17 | — | 0.06% | — |
Full EPSS history (5 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| egroupware | egroupware | 17.1.20190111 | cpe:2.3:a:egroupware:egroupware:17.1.20190111:*:*:*:community:*:*:* |
| URL | Tags |
|---|---|
| https://www.gruppotim.it/it/footer/red-team.html | Third Party Advisory |