Improper Neutralization of Input During Web Page Generation vulnerability in AcyMailing Enterprise component for Joomla allows XSS. This issue affects AcyMailing Enterprise component for Joomla: 6.7.0-8.6.3.
Conclusion & alert: CVE-2023-39971 is rated Low Risk (33.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.35%). 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 | 0.40% | 0.35% | -0.05% |
| 2 | 2026-05-12 | 0.32% | 0.40% | +0.08% |
| 3 | 2025-11-21 | — | 0.32% | — |
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 |
|---|---|---|---|
| acymailing | acymailing | >= 6.7.0, < 8.7.0 | cpe:2.3:a:acymailing:acymailing:*:*:*:*:enterprise:joomla\!:*:* |
| URL | Tags |
|---|---|
| https://extensions.joomla.org/extension/acymailing-starter/ | Product |
| https://www.acymailing.com/acymailing-release-security-%F0%9F%94%90-news-updates/ | Release Notes Vendor Advisory |