phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. An attacker can inject arbitrary JavaScript code by manipulating the id parameter, which is improperly sanitized.
Conclusion & alert: CVE-2025-28073 is rated Moderate Risk (43.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.30%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-03-04 | 0.06% | 0.30% | +0.24% |
| 2 | 2026-01-22 | 0.04% | 0.06% | +0.03% |
| 3 | 2025-11-21 | — | 0.04% | — |
Full EPSS history (7 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 |
| URL | Tags |
|---|---|
| https://github.com/mLniumm/CVE-2025-28073 | Third Party Advisory |
| https://github.com/phpList/phplist3 | Product |
| https://github.com/phpList/phplist3/compare/v3.6.14...v3.6.15 | Product |
| https://www.phplist.org/newslist/phplist-3-6-15-release-notes/ | Release Notes |