KEV Entry

CVE-2016-10033

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2016-10033

2026-06-01 10:36 UTC

Timestamps

2026-06-01

2026-06-01

Scope

KEVIntel entry: The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command... | Affected: PHPMailer / PHPMailer | CVSS: 9.8 (CRITICAL) | EPSS: 0.99714 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2016-10033', 'url': 'https://www.cve.org/CVERecord?id=CVE-2016-10033'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2016-10033'}

9ac14db2-918c-429b-8dbc-0ff48249d1a6

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:03 UTC

2026-06-23 14:03 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T10:36:30.804Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.9995,
  "epss_score": 0.99714,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "PHPMailer",
  "title": "The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command...",
  "used_in_malware": "unknown",
  "vendor": "PHPMailer"
}
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