IceWarp Mail Server v10.4.5 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the color parameter.
Conclusion & alert: CVE-2023-39700 is rated High Exploit Risk (70.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 11.97%, 94th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-05-04 | 13.74% | 11.97% | -1.77% |
| 2 | 2026-03-04 | 10.60% | 13.74% | +3.14% |
| 3 | 2026-02-13 | — | 10.60% | — |
Full EPSS history (30 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 |
|---|---|---|---|
| icewarp | mail_server | 10.4.5 | cpe:2.3:a:icewarp:mail_server:10.4.5:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cwe.mitre.org/data/definitions/79.html | Third Party Advisory |
| https://drive.google.com/file/d/1QL_517UbTFJox4CXKQpP9fehR1yXRJ-y | Exploit Third Party Advisory |
| https://owasp.org/www-project-top-ten/2017/A7_2017-Cross-Site_Scripting_%28XSS%29 |