Reflected cross site scripting (XSS) in L-Soft LISTSERV before 16.5-2018a exists via the /scripts/wa.exe OK parameter.
Conclusion & alert: CVE-2019-15501 is rated High Exploit Risk (69.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 13.19%, 94th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 47302 | exploit_db | edb | 2019-08-26 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 2026-04-04 | 15.78% | 13.19% | -2.59% |
| 2 | 2026-02-14 | 9.04% | 15.78% | +6.74% |
| 3 | 2025-11-21 | — | 9.04% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/154202/LSoft-ListServ-Cross-Site-Scripting.html | Exploit Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/47302 | Exploit Third Party Advisory VDB Entry |