Cross-site scripting vulnerability in Newsletter versions prior to 7.6.9 allows a remote unauthenticated attacker to inject an arbitrary script.
Conclusion & alert: CVE-2023-27922 is rated Moderate Risk (44.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.20%). 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 | 2026-06-15 | 3.87% | 1.20% | -2.67% |
| 2 | 2026-05-24 | 9.83% | 3.87% | -5.96% |
| 3 | 2026-01-31 | — | 9.83% | — |
Full EPSS history (20 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 |
|---|---|---|---|
| thenewsletterplugin | newsletter | < 7.6.9 | cpe:2.3:a:thenewsletterplugin:newsletter:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN59341308/ | Third Party Advisory |
| https://wordpress.org/plugins/newsletter/ | Product |