KEV Entry

CVE-2023-6875

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2023-6875

2026-06-04 00:00 UTC

Timestamps

2026-06-04

2026-06-04

Scope

KEVIntel entry: The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to... | Affected: wpexpertsio / POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications | CVSS: 9.8 (CRITICAL) | EPSS: 0.90339 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2023-6875', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-6875'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2023-6875'}

76bafc4e-39af-4419-9eaa-6052d2de5027

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:42 UTC

2026-06-19 12:42 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-04T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99784,
  "epss_score": 0.90339,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "POST SMTP \u2013 The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications",
  "title": "The POST SMTP Mailer \u2013 Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to...",
  "used_in_malware": "unknown",
  "vendor": "wpexpertsio"
}
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